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经营范围
发明名称
Improvements in or relating to rotary air or gas compressors and motors
摘要
申请公布号
GB661749(A)
申请公布日期
1951.11.28
申请号
GB19490032817
申请日期
1949.12.22
申请人
ARTHUR JOHN NORTHEY
发明人
分类号
F01C1/12
主分类号
F01C1/12
代理机构
代理人
主权项
地址
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