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Silicium organic products. Methods for determination of medium reaction
Document status: Active
Activated carbon. Standard test method for determination of contact pH
Document status: Active
Butt welded flanges of vessels and apparatus for gaskets of octangular sections. Design and dimensions
Document status: Replaced by GOST 28759.4-2022
Hard coals. Accelerated method for the determination of clinkering
Document status: Active