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Date:2015-12-01
 Relevant provisions of the stairwell should be designed to meet the current national standard "architectural design code for fire protection" (GBJ16) and "fire protection design of tall buildings" (GB50045)...
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Date:2015-12-01
 Location of the project construction program written report of special equipment safety supervision and management departments. Civil elevator hoistway detection and identification
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Date:2015-11-26
 Lift both in people's lives, or industrial production have an irreplaceable role. Then the emergence and development of history and how lifts
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