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发明名称
摘要
申请公布号
JPS549959(B2)
申请公布日期
1979.04.28
申请号
JP19740025124
申请日期
1974.03.06
申请人
发明人
分类号
B21C47/24;B65B27/06;B65H19/00
主分类号
B21C47/24
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代理人
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地址
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