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发明名称
NOVA CONEXAO PARA TUBULACOES EM GERAL ESPECIALMENTE PARA AJUSTAGENS DE TORNEIRAS
摘要
申请公布号
BR6793341(D0)
申请公布日期
1973.01.09
申请号
BR19670003341
申请日期
1967.09.27
申请人
DE LIMA E CASTRO NETO
发明人
DE LIMA E CASTRO NETO
分类号
主分类号
代理机构
代理人
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地址
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