Russian standards

GOST 21073.1-75

Non-ferrous metals. Determination of grain size by comparison with microstructure scale

Document status: Active

€10
GOST 21083-75

Metal casting patterns. Securing of pattern pieces. Design and dimensions

Document status: Active

€10
GOST 21087-75

Metal casting patterns. Technical requirements

Document status: Active

€10
GOST 21093-75

Chill moulds with fluid cooling. Thickness of walls. Dimensions

Document status: Active

€10
GOST 21104-75

Non-destructive testing. Probe-coil magnetic-field testing method

Document status: Withdrawn

€10
GOST 21106.11-77

Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Methods of measurements of thermionic control grid current

Document status: Active

€10