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GB/T 19830-2011 standard english preview version PDF file download

GB Standard Code GB/T 19830-2011
Standard Category China National Standards
GB Standard English Title Petroleum and natural gas industries - Steel pipes for use as casing or tubing for wells
GB Standard Chinese Title 石油天然气工业 油气井套管或油管用钢管
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

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