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Inventor
ZHU ZHONG-REN
TW
2 patents
Patents
2 patents
US8985788B2
Mar 24, 2015
Optical apparatus and support stand thereof
ZHU ZHONG-REN
6 citations
75
US8979283B2
Mar 17, 2015
Optical apparatus
ZHU ZHONG-REN
2 citations
53