GOST 4.474-87

Printed boards. Part 4. Rigid multilayer printed boards with interlayer connections. Sectional specification

State system for ensuring the uniformity of measurements. Standard reference data. Parahydrogen, liquid and gaseous. Density, enthalpy, entropy, isochoric, isobaric heat capacities and speed of sound at temperatures from 14 K up to 1000 K and pressures up to 100 MPa

Basic norms of interchangeability. Geometrical product specifications. Standard angles and slopes on prisms

Product-quality index system. Instruments for measuring temperature and humidity, switches. Nomenclature of indices

Optics and photonics. Physical optics. Terms, definitions and letter designations of basic quantities

Circular all-cast moulding boxes of aluminium and magnesium alloys having inside diameter 750 mm, height 150; 200 mm. Construction