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发明名称
Mehrfachexpansions-Dampfzylinder mit Stufenkolben
摘要
申请公布号
DE552762(C)
申请公布日期
1932.06.16
申请号
DE1931F070619D
申请日期
1931.03.28
申请人
ALBERT FROST
发明人
分类号
F01B17/04
主分类号
F01B17/04
代理机构
代理人
主权项
地址
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