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发明名称
IMPROVEMENTS IN AND RELATING TO ROTARY IMPELLER PUMPS
摘要
申请公布号
GB1246081(A)
申请公布日期
1971.09.15
申请号
GB19670039989
申请日期
1967.09.01
申请人
BERNARD SILVER;STANLEY SILVER
发明人
BERNARD SILVER;STANLEY SILVER
分类号
F04D7/04
主分类号
F04D7/04
代理机构
代理人
主权项
地址
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