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发明名称
Refrigerant control system
摘要
申请公布号
US2221223(A)
申请公布日期
1940.11.12
申请号
US19390307826
申请日期
1939.12.06
申请人
PENN ELECTRIC SWITCH CO.
发明人
SHAW BURTON E.
分类号
F25B49/02
主分类号
F25B49/02
代理机构
代理人
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地址
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