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发明名称
MEJORAS EN LOS RASCADORES O LIMPIADORES PARA CALDERAS
摘要
申请公布号
ES115419(A1)
申请公布日期
1930.02.01
申请号
ES19190001154
申请日期
1929.11.04
申请人
BABCOCK & WILCOX
发明人
分类号
(IPC1-7):B08
主分类号
(IPC1-7):B08
代理机构
代理人
主权项
地址
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