TAPPI T 1212 sp-21

TAPPI T 1212 sp-21

Light Sources for Evaluating Papers Including Those Containing Fluorescent Whitening Agentsstandard by Technical Association of the Pulp and Paper Industry, 2021

TAPPI T572 sp-21

TAPPI T572 sp-21

Accelerated Pollutant Aging of Printing and Writing Paper by Pollution Chamber Exposure Apparatusstandard by Technical Association of the Pulp and Paper Industry,

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