ISO 9974 1 Kev sib txuas lus rau kev siv thiab kua nruab zog - Cov chaw nres nkoj thiab kev kawm tiav xaus nrog ISO 261 threads nrog elastomeric los yog hlau-mus-hlau sealing - Qhov 1: Cov chaw nres nkoj
ISO 9974 2 Kev sib txuas rau kev siv thiab kev tawm fais fab - Lub voj voog thiab kev sib txuas xaus nrog ISO 261 threads nrog elastomeric los yog hlau-mus-hlau sealing - Tshooj 2: Nom kawm xaus nrog elastomeric sealing (hom E)
ISO 9974 3 Kev sib txuas rau kev siv thiab kua fais fab - Cov chaw nres nkoj thiab kev tu ncua xaus nrog ISO 261 threads nrog elastomeric lossis hlau-hlau-sealing - Tshooj 3: Stud Nqa cov hlau-hlau-sib khi (hom B)
