Moulding instrument of tungsten filament
ZHENG RUNDONG, LIANG GANG, SHI CHANGHUA, ZHENG LIBIN, WANG ZHAODONG, LI JIAN, FENG SHAOYONG
Year of Publication 26.01.2018
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Year of Publication 26.01.2018
Patent
Wire shaping tool for ceramic accessories
ZHENG RUNDONG, LIANG GANG, SHI CHANGHUA, ZHENG LIBIN, WANG ZHAODONG, LI JIAN, FENG SHAOYONG
Year of Publication 28.07.2017
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Year of Publication 28.07.2017
Patent