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发明名称
Pump
摘要
申请公布号
US2477444(A)
申请公布日期
1949.07.26
申请号
US19460694030
申请日期
1946.08.30
申请人
H-P-M DEVELOPMENT CORPORATION
发明人
ERNST WALTER;TUCKER WARREN R.
分类号
F04B9/14
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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