| 摘要 |
A head for fixing the bulb of the gas feed assembly is provided to supply Hydrargyrum and inactive gas to the inside of the bulb by fixing at least two bulbs at the same time. A head for fixing the bulb of the gas feed assembly supplying the gas to the inside of the bulb comprises the hollow body(221) in which at least two bulbs are mounted; the elastic body(222) which is inserted into the body, and in which bulbs are penetrated; the pressing ring(223) adhering closely to the elastic body; the cap(224) which pressurizes the pressing ring in the state where bulbs are penetrated while uniting with the end of the body. At least two bulbs are mounted in the body at the same time. The cap is screwed in the body.
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