Russian standards PDF

Optics and photonics. Electrooptical elements. Methods for measurements of electrooptical parameters

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Engineering (technology and design). Terms and definitions

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Optics and photonics. Laser heat treatment of titanium and aluminum alloy parts. Technologic alprocess

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Thermal insulation materials of polyurethane foam for building. Rigid polyurethane foam systems after applying. Rules and control of production of sprayed thermal insulation at the place of work

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Synthetic absorbable implantable surgical materials. In vitro degradation testing

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Assembly and installation of electronic modules. Solders, soldering fluxes, solder pastes. The type, composition, properties and applications

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