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Raw clay in the production of clay powders for drilling muds. Methods of determination of suspension properties
Document status: Active
Scaly mica and ground mica. Method of size determination
Document status: Active
Porcelain laboratory apparatus. Requirements and methods of test
Document status: Active
Maleic anhydride for industrial use. Methods of test. Part 5. Method of the determination of ash
Document status: Active
Coals of the Far East for power supply purposes. Specifications
Document status: Cancelled