Russian standards PDF
GOST 19126-2007
Medical metallic instruments. General specifications
Document status: Active
€10
GOST 19354-74
Shaft line flange joints. Construction and dimensions.
Document status: Active
€10
GOST 19438.21-79
Low-power electronic tubes and valves for output cascades of TV line scanning. Methods of measurement of electric parameters and test for service time
Document status: Active
€10