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经营范围
发明名称
Raccord isolant inviolable pour canalisations métalliques
摘要
申请公布号
FR1336827(A)
申请公布日期
1963.09.06
申请号
FR19620905083
申请日期
1962.07.25
申请人
VALLOUREC
发明人
BERRIAT EMILE, EUGENE, CHARLES
分类号
F16L25/03
主分类号
F16L25/03
代理机构
代理人
主权项
地址
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