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Need to strengthen the patent protection of an invention for a process in China: World Patent Information 11 (3), 152–153

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 139 KB
Volume: 11
Category: Article
ISSN: 0172-2190
DOI: 10.1016/0172-2190(89)90165-8

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