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1,3/4,9/5,7/16,25/9,()15/38 B.11/36 C.14/27 D.18/29
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0,3,9,21,(),93A.40 B.45 C.36 D.38
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0, 3, 9, 21, (), 93 A.40 B.45 C.36 D.38
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我国国内有效发明专利占有效专利的比重为: A.10.7% B.II.I% C.11.5% D.11.9%
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1/4 3/10 () 2/5 A.23/50 B.17/40 C.11/30 D.7/20
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O,3,9,21,(),93 A.40 B.45C.36 D.38
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1,3/4,9/5,7/16,25/9,() A.15/38 B.11/36 C.14/27 D.18/29