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发明名称
DISPOSICAO CONSTRUTIVA EM CONEXAO PARA TUBOS
摘要
申请公布号
BR6702274(U)
申请公布日期
1988.04.26
申请号
BR1987MU02274U
申请日期
1987.10.21
申请人
HELIO LANFRANCHI SEABRA
发明人
HELIO LANFRANCHI SEABRA
分类号
F16L15/02;(IPC1-7):F16L15/02
主分类号
F16L15/02
代理机构
代理人
主权项
地址
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