JG74A/275
全密封結構，無油(you)耗，免維(wei)護，綠色環保(bao)型產品(pin)，產品(pin)性能符合 EN81-1 要求， 每次(ci)動作后不需要人員調整開關打桿(gan)垂直位置。
Sealed without any oil leakage, free of maintenance. the are green productes, these buffers are produced and tested copmletely in conformity with EN81-1, It is not necessary to make any adjustment of the swicth activating rod when it is compressed.
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