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Patent - Details

Patent Number
CountryUSA
NameHomogeneous and Transparent Protective Coatings for Precious Metals and Copper Alloys
Inventor(s) LI Kwok Yan, 李國恩 | SHUM Po Wan, 沈步雲 | ZHOU Zhifeng, 周志烽
Abstract 
Category 
Sub-category 
StatusFiled
Filing Date06 Oct 2015
Filing Number14/876,156
Issue Date 
Available Technologies