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发明名称
Multistage refrigeration system
摘要
申请公布号
US2553623(A)
申请公布日期
1951.05.22
申请号
US19440534373
申请日期
1944.05.05
申请人
FRICK COMPANY
发明人
ZUMBRO FRANK R.
分类号
F25B1/10
主分类号
F25B1/10
代理机构
代理人
主权项
地址
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