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经营范围
发明名称
Refrigeration
摘要
申请公布号
US2320500(A)
申请公布日期
1943.06.01
申请号
US19390302503
申请日期
1939.11.02
申请人
SERVEL, INC.
发明人
ASHBY CARL T.
分类号
F25B39/02
主分类号
F25B39/02
代理机构
代理人
主权项
地址
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