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发明名称
Improvements in and relating to rotary vane pumps
摘要
申请公布号
GB543184(A)
申请公布日期
1942.02.13
申请号
GB19400008940
申请日期
1940.05.20
申请人
FRANK CHRISTIAN FULCHER
发明人
分类号
F04C18/352;F04C29/12
主分类号
F04C18/352
代理机构
代理人
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地址
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