Russian standards PDF
GOST 19609.8-89
Concentrated kaolin. Method for determination of copper
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€10
GOST 19656.0-74
Semiconductor UHF diodes. Measurement methods of electrical parameters. General conditions
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€10
GOST 19656.7-74
Semiconductor UHF detector diodes. Measurement method of current sensitivity
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€10
GOST 19661-74
Anode-mechanical bandsaw machines. Basic dimensions
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€10