Art
J-GLOBAL ID:201602014977144823   Reference number:58A0000039

Du[niveau inventif]dans les inventions.

発明における“発明レベル”の問題
Author (1):
Material:
Volume: 39  Issue: 399  Page: 265-268  Publication year: 1958 
JST Material Number: B0246A  CODEN: CHISA  Document type: Article
Country of issue: France (FRA) 
JST classification (3):
JST classification
Category name(code) classified by JST.

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