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发明名称
Gear pump
摘要
申请公布号
US2671410(A)
申请公布日期
1954.03.09
申请号
US19500146786
申请日期
1950.02.28
申请人
WAHLMARK GUNNAR A
发明人
WAHLMARK GUNNAR A.
分类号
F04C2/10
主分类号
F04C2/10
代理机构
代理人
主权项
地址
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