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发明名称
Improvements in or relating to rotary pumps
摘要
申请公布号
GB388767(A)
申请公布日期
1933.03.01
申请号
GB19310024578
申请日期
1931.09.01
申请人
STOTHERT & PITT, LIMITED;ROBERT BRINDLEY PITT
发明人
分类号
F04C14/04
主分类号
F04C14/04
代理机构
代理人
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