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"Zhao Weijun"
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"Zhao Weijun"
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Combined drill bit structure
by
ZHAO WEIJUN
Year of Publication
07.06.2024
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Automatic fitting device for accessories in box body
by
ZHAO WEIJUN
Year of Publication
17.05.2024
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3
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Pagoda drill groove grinding machine
by
ZHAO WEIJUN
Year of Publication
19.04.2024
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Chamfering tool for drill handle of pagoda drill
by
ZHAO WEIJUN
Year of Publication
19.04.2024
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Easily assembled and disassembled structure of stepped drill
by
ZHAO WEIJUN
Year of Publication
05.04.2024
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Quick assembly equipment for pagoda drill
by
ZHAO WEIJUN
Year of Publication
15.12.2023
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Stepping type drill bit edge grinding equipment
by
ZHAO WEIJUN
Year of Publication
22.09.2023
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8
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Automatic clamping equipment special for pagoda drill bit preparation
by
ZHAO WEIJUN
Year of Publication
15.08.2023
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9
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Outer edge shaping device applied to high-hardness drill bit production
by
ZHAO WEIJUN
Year of Publication
10.03.2023
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10
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Novel positioning tool
by
ZHAO WEIJUN
Year of Publication
07.03.2023
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11
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Hybrid drill bit structure with ultrahigh hardness
by
ZHAO WEIJUN
Year of Publication
07.03.2023
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Special clamping mechanism for manufacturing high-strength drill bit
by
ZHAO WEIJUN
Year of Publication
20.01.2023
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Drill bit structure with detachable rear row teeth
by
ZHAO WEIJUN
Year of Publication
17.01.2023
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14
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Ultrahigh-hardness drill bit convenient to disassemble
by
ZHAO WEIJUN
Year of Publication
13.12.2022
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15
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Pushing mechanism
by
ZHAO WEIJUN
Year of Publication
06.12.2022
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Feeding device for die casting machine
by
ZHAO WEIJUN
Year of Publication
18.11.2022
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17
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Pick-up gripper device for die-casting machine
by
ZHAO WEIJUN
Year of Publication
25.10.2022
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18
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High-strength combined drill bit structure
by
ZHAO WEIJUN
Year of Publication
25.02.2022
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19
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Stepped drill structure with extremely high strength
by
ZHAO WEIJUN
Year of Publication
08.02.2022
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Composite drill bit structure with extremely high hardness
by
ZHAO WEIJUN
Year of Publication
31.12.2021
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transporting
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