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发明名称
Refrigerating system
摘要
申请公布号
US1855754(A)
申请公布日期
1932.04.26
申请号
US19280256303
申请日期
1928.02.23
申请人
JOHN DUBROVIN
发明人
DUBROVIN JOHN
分类号
F25B31/00
主分类号
F25B31/00
代理机构
代理人
主权项
地址
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