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发明名称
Gear pump
摘要
申请公布号
US2714857(A)
申请公布日期
1955.08.09
申请号
US19510244888
申请日期
1951.09.04
申请人
GEO. D. ROPER CORPORATION
发明人
ALBRIGHT JOHN R.;LARSON SWAN E.
分类号
F04C2/16
主分类号
F04C2/16
代理机构
代理人
主权项
地址
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