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经营范围
发明名称
Constant temperature gas heater
摘要
申请公布号
US2626599(A)
申请公布日期
1953.01.27
申请号
US19470736692
申请日期
1947.03.24
申请人
JOHNSON OTIS M
发明人
JOHNSON OTIS M.
分类号
F24C3/12
主分类号
F24C3/12
代理机构
代理人
主权项
地址
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