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发明名称
APARELHO PARA LIMPAR UMA ABERTURA EM UMA FORNALHA E APARELHO PARA LIMPAR ABERTURAS DE FRESTA DE AR LOCALIZADAS EM UMA PAREDE DE UMA FORNALHA
摘要
申请公布号
BR8303047(A)
申请公布日期
1984.01.31
申请号
BR19830003047
申请日期
1983.06.08
申请人
BYRON L. GOODSPEED
发明人
BYRON L. GOODSPEED
分类号
D21C11/12;F23J3/00;F23L1/00;(IPC1-7):D21C11/06
主分类号
D21C11/12
代理机构
代理人
主权项
地址
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