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发明名称
APERFEICOAMENTO EM BOTAO DE PRESSAO
摘要
申请公布号
BR7505223(A)
申请公布日期
1977.03.08
申请号
BR19750005223
申请日期
1975.08.15
申请人
METALURGICA EBERLE A SA
发明人
PETTINELLI M
分类号
A44B1/34;(IPC1-7):A44B1/34
主分类号
A44B1/34
代理机构
代理人
主权项
地址
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