China Precast post-tension GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 37439-2019 Precast post-tensioned prestressed concrete simply-supported beam of high-speed railway 高速铁路预制后张法预应力混凝土简支梁 - 中英文版

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