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发明名称
摘要
申请公布号
JPS5111354(B1)
申请公布日期
1976.04.10
申请号
JP19700047033
申请日期
1970.06.01
申请人
发明人
分类号
B21C47/26;B23D31/00;B23D33/00;B23D33/02;B65B21/00;B65B69/00;B65H19/10;B65H79/00;(IPC1-7):B23D31/00
主分类号
B21C47/26
代理机构
代理人
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地址
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