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发明名称
Pumping mechanism
摘要
申请公布号
US2808004(A)
申请公布日期
1957.10.01
申请号
US19520272282
申请日期
1952.02.19
申请人
DURANT JOHN D;MCCLELLAND KERMIT R
发明人
DURANT JOHN D.;MCCLELLAND KERMIT R.
分类号
F04C14/22
主分类号
F04C14/22
代理机构
代理人
主权项
地址
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