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发明名称
摘要
申请公布号
FR2358230(B1)
申请公布日期
1982.11.12
申请号
FR19770019239
申请日期
1977.06.23
申请人
ROHM GUNTER HORST
发明人
分类号
B23B31/16;B23B31/167;(IPC1-7):23B31/16
主分类号
B23B31/16
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