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发明名称
Hinterlegungsausweis
摘要
申请公布号
DE540171(C)
申请公布日期
1931.12.09
申请号
DED540171D
申请日期
申请人
KARL FRIEDRICH SCHAEFER
发明人
分类号
B42D15/00
主分类号
B42D15/00
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代理人
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