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经营范围
发明名称
Ash sifter for furnaces
摘要
申请公布号
US1875840(A)
申请公布日期
1932.09.06
申请号
US19310508908
申请日期
1931.01.15
申请人
GUSTAF ANDERSON
发明人
ANDERSON GUSTAF
分类号
F23J1/00
主分类号
F23J1/00
代理机构
代理人
主权项
地址
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