Plug structure
ZHUANG, FU-JIE, HAN, YI-CEN, ZHUANG, FANG-YU, ZHUANG, BO-SHENG, ZENG, ZHANG-YI
Year of Publication 21.08.2013
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Year of Publication 21.08.2013
Patent
Bottle cap structure
ZHUANG, FU-JIE, ZHUANG, FANG-YU, ZHUANG, BO-SHENG, XIE, YOUNG, ZENG, ZHANG-YI
Year of Publication 21.08.2013
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Year of Publication 21.08.2013
Patent
Structure of umbrella
ZHUANG, FU-JIE, ZHANG, JIA-WEI, ZHUANG, FANG-YU, ZHUANG, BO-SHENG, ZHANG, HUI-QI, XIE, YOUNG, ZENG, ZHI-XIANG, ZENG, ZHANG-YI
Year of Publication 21.11.2013
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Year of Publication 21.11.2013
Patent