Zhongshan Opike Hardware Product Co., Ltd.
Zhongshan Opike Hardware Product Co., Ltd. Patent applications | ||
Patent application number | Title | Published |
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20160032967 | ANTI-JUMPING UPPER WHEEL DEVICE WITH DOUBLE DAMPERS - An anti-jumping upper wheel device with double dampers comprises of an anti-jumping upper wheel assembly with double damper ( | 02-04-2016 |