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GOST 28243-89
Pyrometers. General technical requirements
Document status: Replaced by GOST 28243-96
€10
GOST 25645.146-89
Earth`s ionosphere. Model of global distribution of concentration, temperature and effective collision frequency of electrons
Document status: Active
€10
GOST 13813-68
Metals. Bend test for sheets and strips thickness less then 4 mm
Document status: Active
€10
