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发明名称
APERFEICOAMENTO EM ANEL DE VEDACAO
摘要
申请公布号
BR5600430(U)
申请公布日期
1977.10.25
申请号
BR19760000430U
申请日期
1976.04.09
申请人
SOC MERCANTIL DE MAQUINAS E MATERIAIS LTD
发明人
SOUZA H
分类号
F16J15/28;(IPC1-7):F16J15/28
主分类号
F16J15/28
代理机构
代理人
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地址
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