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发明名称
Gas heater
摘要
申请公布号
US2331950(A)
申请公布日期
1943.10.19
申请号
US19390307434
申请日期
1939.12.04
申请人
DAY AND NIGHT WATER HEATER CO., LTD.
发明人
WOOD FRANK E.;CARTTER WILLIAM G.
分类号
F24C3/04;F24C15/30
主分类号
F24C3/04
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代理人
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