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2018-03-11View Original

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Who can tell me what “NB” means in the codes for petroleum product analysis methods? For example, what does NB in NB/SH/T0916 mean?

Reply #22018-03-11

**The standards issued by the Energy Administration are generally denoted as NB or NB/T (Energy Standards).

Reply #32018-03-13

NB/T is a **recommended standard for the energy industry; NB stands for energy industry standards, while T denotes recommendation.**

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