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发明名称
摘要
申请公布号
DE2033341(A1)
申请公布日期
1971.03.04
申请号
DE19702033341
申请日期
1970.07.06
申请人
POLYGRAPH LEIPZIG
发明人
分类号
B65H29/58;B65H43/00;(IPC1-7):B65H43/00
主分类号
B65H29/58
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