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Shēng Machinery Import va eksport Co., Ltd. erta eksport va import kompaniyasi Xitoy Milliy Machinery Import & Export Corporation shēng filiali oktyabr 1974 yilda tashkil etilgan, salafiy, kabi oktyabr 2005 yil aktsiyadorlik tashqi savdo kompaniyasi aylantirildi shēng viloyatida mexanik va elektr mahsulotlari haqida qaratib ......
tube and pipes
Casting Materials of Valves ASTM Casting Materials Material ASTM Casting SPEC Service Carbon Steel ASTM A216 Grade WCB Non-corrosive applications including water, oil and gases at temperatures between -20°F (-30°C) and +800°F (+425°C) Low Temp Carbon Steel ASTM A352 Grade LCB Low temperatu...
Old and new DIN Designations Over the years, many DIN standards were integrated into the ISO standards, and thus also a part of the EN standards. In the cource of the revision of the European standards serveral DIN standards were withdrawn and replaced by DIN ISO EN and DIN EN. The standards used...