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发明名称
APERFEICOAMENTO EM ESTRUTURA DE VALVULA DE AGUA PARA FERRO DE ENGOMAR COM VAPOR DAGUA
摘要
申请公布号
BR7706709(A)
申请公布日期
1978.06.27
申请号
BR19770006709
申请日期
1977.10.06
申请人
GENERAL ELECTRIC CO
发明人
GOWDY H
分类号
D06F75/18;(IPC1-7):D06F75/18
主分类号
D06F75/18
代理机构
代理人
主权项
地址
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