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发明名称
摘要
申请公布号
DE2101241(A1)
申请公布日期
1971.07.22
申请号
DE19712101241
申请日期
1971.01.12
申请人
发明人
分类号
B65H31/18;B65H43/06;(IPC1-7):B32B31/20
主分类号
B65H31/18
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