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European Convention on the international classification of patents for invention and annex amended.
1991
G 941 EUR.E
Available at WIPO Library
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详细记录
题名
European Convention on the international classification of patents for invention and annex amended.
描述
67 pages ; [28] cm
替代索书号
G 941 EUR.E
出版信息
Strasbourg : [publisher not identified], [1991]
语言
eng
记录出处