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经营范围
发明名称
Gasbeheizter Roehrenofen
摘要
申请公布号
DE684080(C)
申请公布日期
1939.11.22
申请号
DE1936O022507D
申请日期
1936.07.31
申请人
DR. C. OTTO & COMP. G.M.B.H.
发明人
分类号
F28D7/16
主分类号
F28D7/16
代理机构
代理人
主权项
地址
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