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发明名称
Pumping means
摘要
申请公布号
US3406636(A)
申请公布日期
1968.10.22
申请号
US19660572370
申请日期
1966.08.15
申请人
JOHN WILLIAM OLSON JR.
发明人
JR. JOHN WILLIAM OLSON,
分类号
F04B9/02
主分类号
F04B9/02
代理机构
代理人
主权项
地址
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