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发明名称
Amélioration de la tenue mécanique des pièces filetées ou cannelées
摘要
申请公布号
FR1524453(A)
申请公布日期
1968.05.10
申请号
FR19670103427
申请日期
1967.04.19
申请人
LE MOTEUR MODERNE
发明人
BERNARD HENRI
分类号
B21H3/00;B23G7/00
主分类号
B21H3/00
代理机构
代理人
主权项
地址
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