
Safety Rules For The Construction And Installations Of Lifts - Particular Applications For Passenger And Goods Passenger Lifts - Part 77: Lifts Subject To Seismic Conditions
出版:Italian Standards

專家解讀視頻
Safety Rules For The Construction And Installations Of Lifts - Particular Applications For Passenger And Goods Passenger Lifts - Part 77: Lifts Subject To Seismic Conditions
出版:Italian Standards
專家解讀視頻