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发明名称
REFRIGERATION SYSTEM HAVING A BACK PRESSURE VALVE
摘要
申请公布号
CA814137(A)
申请公布日期
1969.06.03
申请号
CAD814137
申请日期
申请人
REFRIGERATING SPECIALTIES COMPANY
发明人
CHARLES C. HANSEN
分类号
主分类号
代理机构
代理人
主权项
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