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GB 7588-2003 第7.4.1条 Safety rules for the construction and installation of elevators

Landing door电梯工程

GB 7588-2003 第7.4.1条

| | The landing door locking device must be reliable, with the engagement depth of the locking element not less than 7 mm; when the door is in the closed position, the locking device shall withstand a force of 1000 N in the door-opening direction without failure. |

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