I、II、III和IV型电梯|沙特标准|SASO-ISO4190-1
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I、II、III和IV型电梯|沙特标准|SASO-ISO 4190-1
Installation of Lift–First Part:Elevators typeI,II,III&IV
电梯安装-第一部分:I、II、III和IV型电梯
Technical Regulation for Electrical Lifts Used in Buildings and Facilities
Installation of Lift–First Part:Elevators typeI,II,III&IV
电梯安装-第一部分:I、II、III和IV型电梯
Technical Regulation for Electrical Lifts Used in Buildings and Facilities
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