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经营范围
发明名称
Water heater
摘要
申请公布号
US2492253(A)
申请公布日期
1949.12.27
申请号
US19450609340
申请日期
1945.08.07
申请人
THE RAMONA PRODUCTS COMPANY
发明人
WOBSER HERMAN C.;MONAHAN RAYMOND A.
分类号
F28C3/06
主分类号
F28C3/06
代理机构
代理人
主权项
地址
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