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经营范围
发明名称
Water heater
摘要
申请公布号
US2480657(A)
申请公布日期
1949.08.30
申请号
US19440522746
申请日期
1944.02.17
申请人
LAWSON MANUFACTURING COMPANY
发明人
JONES CHESTER D.
分类号
F24H1/20
主分类号
F24H1/20
代理机构
代理人
主权项
地址
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