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发明名称
Vacuum heating pump
摘要
申请公布号
US2176658(A)
申请公布日期
1939.10.17
申请号
US19380231845
申请日期
1938.09.26
申请人
DOMESTIC ENGINE & PUMP COMPANY
发明人
GRUMAN LLOYD B.
分类号
F24D19/08
主分类号
F24D19/08
代理机构
代理人
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地址
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