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发明名称
Procédé d'obturation de filières
摘要
申请公布号
FR693494(A)
申请公布日期
1930.11.20
申请号
FRD693494
申请日期
1930.04.07
申请人
发明人
FOLMAN JOZEF
分类号
B23P15/48
主分类号
B23P15/48
代理机构
代理人
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