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经营范围
发明名称
Fire unit for furnaces
摘要
申请公布号
US1921253(A)
申请公布日期
1933.08.08
申请号
US19280302320
申请日期
1928.08.27
申请人
GREENE FRANK C
发明人
GREENE FRANK C.
分类号
主分类号
代理机构
代理人
主权项
地址
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