AWS
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استاندارد
AWS D18.3 , جوشکاری مخازن سیستمهای بهداشتی
AWS D18.3 : Welding of Tanks, Vessels, and Other Equipment in Sanitary (Hygienic) Applications
مشاهده مطلب
AWS D18.3 : Welding of Tanks, Vessels, and Other Equipment in Sanitary (Hygienic) Applications
مشاهده مطلب