Russian standards PDF
GOST 17933-72
Machine taps with screw flutes. Design and dimensions
Document status: Active
€10
GOST 18105-86
Concretes. Rules for the strength control
Document status: Replaced by GOST 18105-2010
€10
GOST 18140-84
SSI differential pressure gauges . General specifications
Document status: Active
€10