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发明名称
Pump
摘要
申请公布号
US1956112(A)
申请公布日期
1934.04.24
申请号
US19320606235
申请日期
1932.04.19
申请人
WILLOUGHBY WAYNE W
发明人
WILLOUGHBY WAYNE W.
分类号
F04B47/00
主分类号
F04B47/00
代理机构
代理人
主权项
地址
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