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发明名称
SYSTEME DE SECURITE PERFECTIONNE, DESTINE A ELIMINER TOUT RISQUE D'ENTRAINEMENT DE LIQUIDES AU NEZ DE TORCHE OU A L'EVENT, LORS DU TORCHAGE OU DE LA DISPERSION DES GAZ ASSOCIES A LA PRODUCTION
摘要
申请公布号
FR2523271(B2)
申请公布日期
1986.01.10
申请号
FR19820004246
申请日期
1982.03.12
申请人
CHAUDOT GERARD
发明人
分类号
E21B41/00;E21B43/36;(IPC1-7):A62C3/02;E21B35/00;E21B43/34;F23N5/24
主分类号
E21B41/00
代理机构
代理人
主权项
地址
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