客货两用电动电梯|沙特标准|SASO-490
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客货两用电动电梯|沙特标准|SASO-490
SASO-490
Electric lifts for passengers or goods – Part 6: Acceptance, inspections and tests after installation in buildings
客货两用电动电梯第6部分:建筑物安装后的验收、检验和试验
SASO-490
Electric lifts for passengers or goods – Part 6: Acceptance, inspections and tests after installation in buildings
客货两用电动电梯第6部分:建筑物安装后的验收、检验和试验
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