C0071200_781 Brass Screwed Globe Valves (10 kgf cm 2)《黄铜螺纹口球型阀(１０ｋｇｆ／ｃ㎡)》.pdf

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CNS 712-1987 Brass Screwed Globe Valves (10 kgf cm 2)《黄铜螺纹口球型阀(10KGF／C㎡)》.pdf

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