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发明名称
Doppelzugherd
摘要
申请公布号
DE862355(C)
申请公布日期
1953.01.08
申请号
DE1951N003766
申请日期
1951.04.13
申请人
DR. ALFRED NEFF
发明人
GRAEFENSTEINER JOHANN LEONHARD
分类号
F24B5/08
主分类号
F24B5/08
代理机构
代理人
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