Stair railing load ware
The utility model relates to a stair railing load ware. The device includes: first frame, rotationally be provided with active roller and first side wheel in the first frame, the active roller is ridden and is established on stair railing's top surface, and the first side wheel more than 2 rota...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
30.06.2017
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Subjects | |
Online Access | Get full text |
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