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发明名称
eln
摘要
申请公布号
DE691533(C)
申请公布日期
1940.05.29
申请号
DE193600F1234D
申请日期
1936.05.29
申请人
FRAEMBS & FREUDENBERG
发明人
HACKEL ERICH
分类号
D01B1/12
主分类号
D01B1/12
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