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发明名称
DISPOSICAO INTRODUZIDA EM VALVULA DE LINHA
摘要
申请公布号
BR6701868(U)
申请公布日期
1988.04.05
申请号
BR1987MU01868U
申请日期
1987.09.22
申请人
SERGIO DOMENICO BERTOLETTI
发明人
SERGIO DOMENICO BERTOLETTI
分类号
F16K17/00;(IPC1-7):F16K17/00
主分类号
F16K17/00
代理机构
代理人
主权项
地址
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