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经营范围
发明名称
Hot water heater
摘要
申请公布号
US1953851(A)
申请公布日期
1934.04.03
申请号
US19320640697
申请日期
1932.11.01
申请人
FORSTER ROY M
发明人
FORSTER ROY M.
分类号
F24H1/18
主分类号
F24H1/18
代理机构
代理人
主权项
地址
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