| 摘要 |
The assembly consists of the welding torch (1), gas feed hoses (2a,2b,52) connected to the torch and having at their ends rapid fixing connectors (3a,3b,53), which join the hoses to shut off valves on gas bottles. The connector consists of three pieces, a central oblong piece with central core for the passage of the gas, and two outer parts (11,21) that are screwed together to form the outer sleeve around the central piece.
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