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经营范围
发明名称
摘要
A refrigerator operable with an evaporation chamber and superfluid 4He II for temperatures below the lambda -point of helium, and means for preventing the 4He II from creeping upward out of the evaporation chamber.
申请公布号
SE7502158(A)
申请公布日期
1975.09.02
申请号
SE19750002158
申请日期
1975.02.26
申请人
PHILIPS' GLOEILAMPENFABRIEKEN NV
发明人
SEVERIJNS A P;STAAS F A
分类号
F25B9/12;(IPC1-7):F25B9/00
主分类号
F25B9/12
代理机构
代理人
主权项
地址
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