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发明名称
Refrigeration system especially for very low temperature
摘要
申请公布号
US2952139(A)
申请公布日期
1960.09.13
申请号
US19570678750
申请日期
1957.08.16
申请人
KENNEDY PATRICK B;SMITH JR HUGH R
发明人
KENNEDY PATRICK B.;JR. HUGH R. SMITH,
分类号
F25B1/10;F25B9/00;F25J3/06
主分类号
F25B1/10
代理机构
代理人
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地址
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