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发明名称
Joint d'étanchéité, pour vanne de sécurité haute pression à passage total et à double étanchéité
摘要
申请公布号
FR1394242(A)
申请公布日期
1965.04.02
申请号
FR19640964511
申请日期
1964.02.20
申请人
发明人
BECQ PAUL, ANDRE, JEAN
分类号
F16K5/04
主分类号
F16K5/04
代理机构
代理人
主权项
地址
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