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发明名称
DEVICE FOR LIQUEFYING GASES CONDENSING AT VERY LOW TEMPERATURES
摘要
申请公布号
CA900191(A)
申请公布日期
1972.05.16
申请号
CAD900191
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
JOHAN A. RIETDIJK
分类号
主分类号
代理机构
代理人
主权项
地址
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