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It is a special gas spring.The basic position of gas traction spring with inserted piston rod.Normally, it is short.When give a pulling force, it will be move to the longest position. When release force, it will return to normal condition.
It is a special gas spring.The basic position of gas traction spring with inserted piston rod.Normally, it is short.When give a pulling force, it will be move to the longest position. When release force, it will return to normal condition.
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