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发明名称
摘要
申请公布号
JPS5367852(U)
申请公布日期
1978.06.07
申请号
JP19760150125U
申请日期
1976.11.10
申请人
发明人
分类号
B21D37/10;B21D37/04;B30B15/02;(IPC1-7):B21D37/04
主分类号
B21D37/10
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