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发明名称
Rotary gear pump
摘要
申请公布号
US1902347(A)
申请公布日期
1933.03.21
申请号
US19310512525
申请日期
1931.01.31
申请人
VOGT INSTANT FREEZERS, INCORPORATED
发明人
VOGT CLARENCE W.;ZOELLER WALTER E.
分类号
F04C2/08;F04C2/20;F04C13/00
主分类号
F04C2/08
代理机构
代理人
主权项
地址
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