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发明名称
CRYOGENIC REFRIGERATOR ADAPTED TO MINIATURIZATION
摘要
申请公布号
US3423948(A)
申请公布日期
1969.01.28
申请号
USD3423948
申请日期
1967.04.03
申请人
HUGHES AIRCRAFT CO.
发明人
KENNETH W. COWANS
分类号
F02G1/044;(IPC1-7):F25B9/00;F25B31/00
主分类号
F02G1/044
代理机构
代理人
主权项
地址
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