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发明名称
Warning signal system for refrigerators
摘要
申请公布号
US2439331(A)
申请公布日期
1948.04.06
申请号
US19460640737
申请日期
1946.01.12
申请人
SIGNAL ENGINEERING & MANUFACTURING COMPANY
发明人
BEAN ROSCOE D.
分类号
F25B49/00
主分类号
F25B49/00
代理机构
代理人
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地址
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