1977

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OST 23.4.135-77
OST 23.4.135-77
High-alloy steel, corrosion-resistant, heat-resistant and high-temperature alloys (restrictions imposed by GOST 5632-72).
OST 23.4.136-77
OST 23.4.136-77
High osmic resistance alloys (restrictions imposed by GOST 12766.1-77).
OST 23.4.137-77
OST 23.4.137-77
Hard sintered alloys (restrictions imposed by GOST 3882-74).
OST 23.4.138-77
OST 23.4.138-77
Nonferrous metals and alloys. Copper (restriction as per GOST 859-78 limit).
OST 23.4.139-77
OST 23.4.139-77
Non-ferrous metals and alloys. Formable copper-zinc alloys (brass), (restriction as per GOST 15527-70).
OST 23.4.140-77
OST 23.4.140-77
Non-ferrous metals and alloys. Foundry tin bronze (restriction as per GOST 613-79).
OST 23.4.141-77
OST 23.4.141-77
Non-ferrous metals and alloys. Tinless bronze (restriction as per GOST 493-79).
OST 23.4.142-77
OST 23.4.142-77
Non-ferrous metals and alloys. Formable tin bronze (restriction as per GOST 5017-74).
OST 23.4.143-77
OST 23.4.143-77
Aluminium casting alloys (restrictions imposed by GOST 2685-75).
OST 23.4.144-77
OST 23.4.144-77
Aluminium wrought alloy (restrictions imposed by GOST 4784-74).
OST 23.4.145-77
OST 23.4.145-77
Tin-lead solder alloys (restriction as per GOST 21930-76).
OST 23.4.146-77
OST 23.4.146-77
Silver solder alloys (restriction as per GOST 19738-74).
OST 24.001.18-77
OST 24.001.18-77
Organization and procedure of metrological examination of design and technological documentation.
OST 24.001.23-77
OST 24.001.23-77
Metrological support of pre-production. Basic provisions.
OST 24.050.22-77
OST 24.050.22-77
Wide and narrow gauge freight car steps and handrails. Technical requirements
OST 24.060.24-77
OST 24.060.24-77
Reciprocating internal combustion engines. Classification, terms and definitions.
OST 24.060.25-77
OST 24.060.25-77
Stationary diesel engines, marine, locomotive, industrial and gas engines. Determination of the right and left line engine.
OST 24.060.26-77
OST 24.060.26-77
Stationary diesel engines, marine, locomotive, industrial and gas engines. Determination of engine sides.
OST 24.062.03-77
OST 24.062.03-77
Diesel and gas engines. Mesh strainers for oil primary purification. General Specifications.
OST 24.066.04-77
OST 24.066.04-77
Diesel and gas engines. Rollers of valve actuators and fuel pumps. Technical requirements.

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