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发明名称
Perfectionnements dans l'isolement des pinces d'électrodes sous-marines
摘要
申请公布号
FR928768(A)
申请公布日期
1947.12.08
申请号
FRD928768
申请日期
1946.04.15
申请人
发明人
DUCHATEAU ALBERT
分类号
B23K9/00
主分类号
B23K9/00
代理机构
代理人
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