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经营范围
发明名称
Schwelofen
摘要
申请公布号
DE532391(C)
申请公布日期
1931.08.27
申请号
DED532391D
申请日期
申请人
DR. C. OTTO & COMP. G.M.B.H.
发明人
分类号
C10B7/06
主分类号
C10B7/06
代理机构
代理人
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