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发明名称
摘要
申请公布号
DE2037006(A1)
申请公布日期
1972.02.03
申请号
DE19702037006
申请日期
1970.07.25
申请人
发明人
分类号
B65H18/20;B65H19/30;D01G27/04;(IPC1-7):B65H19/00
主分类号
B65H18/20
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代理人
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