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发明名称
摘要
申请公布号
JPS4924788(B1)
申请公布日期
1974.06.25
申请号
JP19700039589
申请日期
1970.05.11
申请人
发明人
分类号
B21C47/02;B65H26/00
主分类号
B21C47/02
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代理人
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地址
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