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发明名称
Perfectionnement dans l'étanchéité des connexions de canalisations tubulaires à jonctions par filetages
摘要
申请公布号
FR1331527(A)
申请公布日期
1963.07.05
申请号
FR19620898557
申请日期
1962.05.24
申请人
发明人
JEAN JOSEPH CHARLES LOUIS BOUREL DE LA
分类号
F16L15/04
主分类号
F16L15/04
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代理人
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