
Safety Rules For The Construction And Installations Of Lifts - Particular Applications For Passenger And Good Passengers Lifts - Part 77: Lifts Subject To Seismic Conditions
出版:Osterreichisches Normungsinstitut

專家解讀視頻
Safety Rules For The Construction And Installations Of Lifts - Particular Applications For Passenger And Good Passengers Lifts - Part 77: Lifts Subject To Seismic Conditions
出版:Osterreichisches Normungsinstitut
專家解讀視頻