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经营范围
发明名称
Improvements in and relating to rotary pumps or compressors
摘要
申请公布号
GB533276(A)
申请公布日期
1941.02.10
申请号
GB19390028764
申请日期
1939.10.26
申请人
IRVING CALLENDER JENNINGS
发明人
分类号
F04C19/00
主分类号
F04C19/00
代理机构
代理人
主权项
地址
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