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发明名称
FLUID PUMP OR MOTOR OF THE ROTARY SCREW TYPE
摘要
申请公布号
CA530226(A)
申请公布日期
1956.09.11
申请号
CAD530226
申请日期
申请人
DRESSER INDUSTRIES
发明人
GILBERT RATHMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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