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| spigot (Rohr) | |||
| socket-and-spigot joint; push-in joint; bell-and-socket joint; bell-and-spigot joint; bell joint; box coupling; ferrule; screwed sleeve joint; slip joint (Rohr) | |||
| clamp type coupling | |||
| bell-and-spigot joint (für Rohre); male-to-male coupling (von Ölfeldrohren); pin-to-pin coupling (von Ölfeldrohren); union joint | |||
| sleeve joint; socket fitting; socket joint; threaded coupling | |||
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| spigot/socket joint | |||
| Muffenverbindung: 3 phrases in 2 subjects |
| Chemistry | 1 |
| Construction | 2 |