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发明名称
Improvements in or relating to rotary pump
摘要
申请公布号
GB725196(A)
申请公布日期
1955.03.02
申请号
GB19530009363
申请日期
1953.04.07
申请人
WESTERN MACHINERY COMPANY
发明人
BRAWLEY CLYDE HARMON
分类号
F04D7/04
主分类号
F04D7/04
代理机构
代理人
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