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发明名称
Anordning vid vacuumpumpar
摘要
申请公布号
FI13495(A)
申请公布日期
1931.04.24
申请号
FID13495
申请日期
申请人
AKTIEBOLAGET SEPARATOR
发明人
HAPGOOD CYRUS HOWARD
分类号
F04C29/02;(IPC1-7):F04C29/02
主分类号
F04C29/02
代理机构
代理人
主权项
地址
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