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经营范围
发明名称
Furnace or heater construction
摘要
申请公布号
US1760330(A)
申请公布日期
1930.05.27
申请号
US19290348226
申请日期
1929.03.19
申请人
WEST HOWARD W
发明人
WEST HOWARD W.
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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