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发明名称
Water cooler
摘要
申请公布号
US1854995(A)
申请公布日期
1932.04.19
申请号
US19310512316
申请日期
1931.01.30
申请人
SERVEL INC.
发明人
NAVE ALFRED E.
分类号
F25D31/00
主分类号
F25D31/00
代理机构
代理人
主权项
地址
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