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发明名称
Protective means for submersible pumps
摘要
申请公布号
GB628442(A)
申请公布日期
1949.08.29
申请号
GB19470026781
申请日期
1947.10.06
申请人
JAMES BERESFORD & SON LIMITED;KENNETH PEMBERTON WOOD
发明人
分类号
F04D9/00
主分类号
F04D9/00
代理机构
代理人
主权项
地址
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