Russian standards PDF
GOST 21789-76
Thin-layered glass reinforced plastics electrical heating elements for the voltage of 220 and 27 V. Construction and sizes
Document status: Active
€10
GOST 21890-76
Fuselage, wings and empennage of aircrafts and helicopters. Terms and definitions
Document status: Active
€10
GOST 21938-76
Chucks for screw cutting on lathes. Design and dimensions
Document status: Active
€10
