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发明名称
Improvements in rotary pumps of the fixed abutment type
摘要
申请公布号
GB396013(A)
申请公布日期
1933.07.27
申请号
GB19330013346
申请日期
1933.05.08
申请人
SIDNEY ZALESKI HALL
发明人
分类号
F01C21/08
主分类号
F01C21/08
代理机构
代理人
主权项
地址
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