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发明名称
Papierhilfsmittel
摘要
申请公布号
DE1264943(B)
申请公布日期
1968.03.28
申请号
DE1964F041779
申请日期
1964.01.18
申请人
FARBENFABRIKEN BAYER AKTIENGESELLSCHAFT
发明人
ZIEMANN DR. HEINZ;LEHMANN DR. WOLFGANG;TRETTER HERMANN
分类号
D21H17/55;D21H17/57
主分类号
D21H17/55
代理机构
代理人
主权项
地址
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