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发明名称
Umstellhahn fuer Regenerativoefen
摘要
申请公布号
DE922906(C)
申请公布日期
1955.01.27
申请号
DE1941O000717D
申请日期
1941.08.29
申请人
DR. C. OTTO & COMP. G.M.B.H.
发明人
FREUND PAUL
分类号
C10B21/14
主分类号
C10B21/14
代理机构
代理人
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