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发明名称
摘要
申请公布号
JPS4533841(Y1)
申请公布日期
1970.12.24
申请号
JP19660096638U
申请日期
1966.10.19
申请人
发明人
分类号
(IPC1-7):B25D17/04;E01C19/30
主分类号
(IPC1-7):B25D17/04
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