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发明名称
Drehkolben für Roots-Gebläse
摘要
申请公布号
CH409220(A)
申请公布日期
1966.03.15
申请号
CH19610011589
申请日期
1961.10.06
申请人
POLYSIUS GMBH
发明人
HUBRICH,CHRISTOPH,DIPL.-ING.
分类号
F04C18/12
主分类号
F04C18/12
代理机构
代理人
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地址
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