镀金属钢板|沙特标准|SASO-ISO-16172
SASO-ISO-16172
Continuous hot-dip metallic-coated steel sheet for corrugated steel pipe
波纹钢管用连续热浸镀金属钢板
镀金属钢板|沙特标准|SASO-ISO-16172
SASO-ISO-16172
Continuous hot-dip metallic-coated steel sheet for corrugated steel pipe
波纹钢管用连续热浸镀金属钢板
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