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摘要
申请公布号
DE2032457(A1)
申请公布日期
1971.01.28
申请号
DE19702032457
申请日期
1970.07.01
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发明人
分类号
B44C3/08;(IPC1-7):B44B5/00
主分类号
B44C3/08
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