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 China "GB/T 7957-2017" standard english version information:

1. China GB/T 7957-2017 Standard Chinese version, you can purchase directly online; After receive your payment, we will send the GB Standards PDF file to your Email within 24 Hr.
2. China GB/T 7957-2017 Standard English version is not ready-made,only after get your order, then we translate them, time usually need 3-5 days. Detail refere: "How to purchase the English version China GB Standards?"
Item Content
GB Standard  Code GB/T 7957-2017
GB Standard Class China National Standard
GB Standard English Title General requirements for construction,performance and explosion protected testing of caplights for use in mines susceptible to firedamp
GB Standard Chinese Title 瓦斯环境用矿灯结构、性能和防爆试验通用要求
Applicable Category China National-
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Detail enquire us for
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Note The GB/T 7957-2017 standard english translation Prepayment unit $100 USD, is not mean this GB/T 7957-2017 standard english version price is $100 USD, it is only a basic unit of prepayment for translation, The actual translation fee and prepayment are depend on the amount of GB/T 7957-2017 standard Chinese words, We request 80% prepayment of the total translation fee.
For example, if the GB standard english price is $500, you need pay $400 prepayment, Four Quantities of the $100 prepayment unit.
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