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发明名称
Perfectionnements à la fabrication des alliages durs frittés pour outils de coupe et emplois similaires
摘要
申请公布号
FR756523(A)
申请公布日期
1933.12.11
申请号
FRD756523
申请日期
1932.09.05
申请人
COMPAGNIE LORRAINE DE CHARBONS POUR L'ELECTRICITE
发明人
分类号
C22C29/06
主分类号
C22C29/06
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