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经营范围
发明名称
Improvements in and relating to rotary pumps, compressors, or motors
摘要
申请公布号
GB753578(A)
申请公布日期
1956.07.25
申请号
GB19530021662
申请日期
1953.08.05
申请人
RYKE POSTUMUS
发明人
分类号
F01C1/07
主分类号
F01C1/07
代理机构
代理人
主权项
地址
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