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"YI CUNZHI"
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"YI CUNZHI"
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Loudspeaker metal mesh enclosure assembling structure
by
YI CUNZHI
,
FENG JINJUN
Year of Publication
25.04.2023
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Replaceable loudspeaker mounting structure for earphone
by
YI CUNZHI
,
FENG JINJUN
Year of Publication
14.03.2023
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Loudspeaker with dustproof function
by
SHU KEWEN
,
YI CUNZHI
,
FENG JINJUN
,
LI YUANHUA
Year of Publication
29.11.2019
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Loudspeaker with double-sided dustproof function
by
SHU KEWEN
,
YI CUNZHI
,
FENG JINJUN
,
LI YUANHUA
Year of Publication
29.11.2019
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Horn with damping function
by
SHU KEWEN
,
YI CUNZHI
,
FENG JINJUN
,
LI YUANHUA
Year of Publication
29.11.2019
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Format
Patent
5 results
5
Subject Area
chemistry
5 results
5
medicine
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sciences
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5
Topic
deaf-aid sets
5 results
5
electric communication technique
5 results
5
electricity
5 results
5
loudspeakers, microphones, gramophone pick-ups or likeacoustic electromechanical transducers
5 results
5
public address systems
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5
Language
Chinese
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English
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esp@cenet
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