净化笔记本(平方式)/purification notebook (flat )BCRNOTEBOOKS是以BCR BOND制成的即由BCR BOND 1040无尘室用纸制成，以减少微粒污染和提供耐久性，实用于高笔记和记数据，塑料螺旋装订设计允许纸张便于翻阅和打开是平放。有二种式样，螺旋式适合翻阅和打开是平放装订式，而经济型应用面更广泛，二种格式:划线和1/4英寸方格，三种不同的尺寸:A4尺寸（210*297mm）20本/箱；A5尺寸（149*210mm）, 30本/箱；便条尺寸（90*138mm）,30本/箱；页数:100页/本颜色:浅蓝色BCRNOTEBOOKS is made in BCR BOND 1040 dust free paper which reduces the particle pollution and is durable. It ‘s paractically used in noting and data recording . plastic spiral binding makes page turn more convenient and lay flat when opening. T here are two formals :line 1/4’’ grid. Three sizes:Ａ４（210*297mm）, 20books/ctn A5(149*210mm), 30 books/ctn notepad size (90*138mm), 30 books/ctn total page number: 100 pages/book color: light blue