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发明名称
摘要
申请公布号
JPS4122205(Y1)
申请公布日期
1966.11.04
申请号
JP19640077975U
申请日期
1964.10.05
申请人
发明人
分类号
B21C47/00;B21C47/02;B65H23/08;B65H23/182;B65H23/198;H02P29/00;(IPC1-7):B21C47/00
主分类号
B21C47/00
代理机构
代理人
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地址
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