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经营范围
发明名称
Furnace economizer, auxiliary boiler, and water screen combined
摘要
申请公布号
US1790199(A)
申请公布日期
1931.01.27
申请号
US19260120107
申请日期
1926.07.02
申请人
COLLINS WESTERN CORPORATION
发明人
COLLINS GLENVILLE A.
分类号
F22B33/04
主分类号
F22B33/04
代理机构
代理人
主权项
地址
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