Russian standards PDF
GOST 19672-74
Cylindrical worm gear pairs. Modules and coefficients of worm diameter
Document status: Active
€10
GOST 2.101-68
Unified system for design documentation. Types of products
Document status: Replaced by GOST 2.101-2016
€10
GOST 20022.5-93
Wood protection. Pressure treatment by oily protective means
Document status: Active
€10