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发明名称
DISPOSITIVO DE OBTURACAO ESTANQUE E SEM SALIENCIA INTERNA DE UM ORIFICIO PERFURADO EM UMA PAREDE METALICA
摘要
申请公布号
BR8003037(A)
申请公布日期
1980.12.23
申请号
BR19800003037
申请日期
1980.05.16
申请人
NEYRPIC
发明人
TASCHER C
分类号
B65D39/08;E02B9/06;F16B39/02;F16J13/12;F16L55/16;(IPC1-7):E03B7/09;F16L55/00
主分类号
B65D39/08
代理机构
代理人
主权项
地址
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