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发明名称
摘要
申请公布号
JPS52115629(U)
申请公布日期
1977.09.02
申请号
JP19760021857U
申请日期
1976.02.27
申请人
发明人
分类号
B21C47/02;B65H54/44;B65H54/74;B65H63/04;B66D1/58;F16H35/10;(IPC1-7):B65H63/04
主分类号
B21C47/02
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代理人
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地址
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