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GOST 23797-79
Oil for aircraft gas turbine engines. Method for the determination of thermooxidizing stability in oil volume
Document status: Active
€10
GOST 11884.14-78
Tungsten concentrate. Determination of copper and lead by atomic-absorption method
Document status: Active
€10
GOST R 56856-2016
Copper and complex ores, and products of their processing. Methods of measurement of copper weight fraction
Document status: Active
€10