API 5L Grade B (API 5L Gr B) is a pipeline steel grade that complies with American Petroleum Institute (API) standards and is suitable for pipelines transporting liquids and gases such as oil and natural gas.
A5 fabric cover diary notebook journal with elastic band and ribbon, logo can be silk-screen printing or UV spot printing. Inner paper is 80gsm 100sheets customized printing, it has back paper pocket to install some namecards and sticker lables
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