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发明名称
Improvements in or relating to rotary cylinder pumps
摘要
申请公布号
GB580859(A)
申请公布日期
1946.09.23
申请号
GB19440004267
申请日期
1944.03.07
申请人
GEORGE DEXTER
发明人
分类号
F04B1/20;F04B1/22;F04B1/32;F04B49/08;F04B49/10
主分类号
F04B1/20
代理机构
代理人
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