GB/T 22920-2022

GB/Z 166-2026 Paper and board—Measurement of water contact angle by optical methods GB/T 4687-1984 Paper，board，pulp terms (Ⅰ) GB/T 4873-1985 Continuous forms used for information processing--Sizes and feed holes GB/T 12910-1991 Paper and board--Determination of titanium dioxide GB/T 12911-1991 Paper and board--Determination of the ink absor-bency GB/T 2679.10-1993 paper and board--Compressive strength--Short span test GB/T 2679.8-1995 Paper and board--Determination of compressive strength--Ring crush method GB/T 2679.14-1996 Filter paper and filterboard--Determinationof maximum pore diameter