Russian standards PDF
GOST 17927-72
Machine taps with staggered teeth for machining of stainless and heat-resisting steels. Design and dimensions
Document status: Active
€10
GOST 17928-72
Machine taps with staggered tooths for machining of light alloys. Design and dimensions
Document status: Active
€10
GOST 20907-75
Phenolformaldehyde resins, liquid. Specifications
Document status: Replaced by GOST 20907-2016
€10