Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Specification for the procedure of in-service observation for PBXs undergoing type approval.

NEPLATNÁ vydána dne 30.9.1988

Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Specification for the procedure for in-service observation of PBXs undergoing type approval.

NEPLATNÁ vydána dne 28.10.1990

Beads for internal plastering and dry lining. Specification for galvanized steel beads.

NEPLATNÁ vydána dne 30.12.1983

Rubber- or plastics-coated fabrics. Determination of fogging characteristics of trim materials in the interior of automobiles.

NEPLATNÁ vydána dne 31.7.2007

Method for calculation of the effective parameters of magnetic piece parts.

NEPLATNÁ vydána dne 30.12.1983

Glossary of terms for correspondence envelopes.

NEPLATNÁ vydána dne 30.12.1983

Specification for reconstructed stone masonry units.

NEPLATNÁ vydána dne 29.2.1984

Fire hazard testing for electrotechnical products. General introduction.

NEPLATNÁ vydána dne 30.11.1984

Fire hazard testing for electrotechnical products. Glossary of terms.

NEPLATNÁ vydána dne 31.12.1990

Fire hazard testing for electrotechnical products. Methods of test.. Needle-flame test.

NEPLATNÁ vydána dne 31.1.1984