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美国专利商标局 zhuānlì shāngbiāo jú
commer. Patent and Trademark Office
专利商标局 zhuānlì shāngbiāo jú
busin. patent and trademark office
专利 商标局
: 12 phrases in 9 subjects
Advertising1
Aviation1
Business1
Commerce2
Economy2
Electronics2
General1
International trade1
United States1