Russian standards PDF
GOST 12813-67
Aircraft and helicopter tank filling orifices. Diameters
Document status: Active
€10
GOST 12853-80
Positive-displacement hydraulic drives, pneumatic actuators and lubricating systems. Connecting threads
Document status: Active
€10
GOST 12869-77
Electrical insulating synthetic fluid octol. Specifications
Document status: Active
€10
GOST 13.1.201-74
Reprography. Micrography. Numerical designation for microfilms
Document status: Active
€10