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发明名称
Pump
摘要
申请公布号
US1818171(A)
申请公布日期
1931.08.11
申请号
US19290364076
申请日期
1929.05.18
申请人
STEVENSON WILLIAM E
发明人
STEVENSON WILLIAM E.
分类号
F01L25/04
主分类号
F01L25/04
代理机构
代理人
主权项
地址
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