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发明名称
Improvements relating to rotary pumps
摘要
申请公布号
GB721319(A)
申请公布日期
1955.01.05
申请号
GB19520012381
申请日期
1952.05.16
申请人
JAMES BERESFORD & SON LIMITED;WILLIAM HENRY COLLIER
发明人
分类号
F04C5/00
主分类号
F04C5/00
代理机构
代理人
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地址
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