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发明名称
Hydraulic pump structure
摘要
申请公布号
US1937471(A)
申请公布日期
1933.11.28
申请号
US19310565474
申请日期
1931.09.28
申请人
WILLETT
发明人
DEAN GEORGE E.;WILLETT CHARLES G.
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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