Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Recommendations for type of protection ´e´. Increased safety.

NEPLATNÁ vydána dne 31.3.1978

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus with type of protection N.

NEPLATNÁ vydána dne 30.11.1979

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus with type of protection ´s´. Special protection.

NEPLATNÁ vydána dne 29.2.1980

Specification. ISO metric trapezoidal screw threads.

NEPLATNÁ vydána dne 28.5.1976

Methods for sampling meat and meat products.. Taking primary samples.

NEPLATNÁ vydána dne 30.4.1976

Methods for sampling meat and meat products. Taking primary samples.

NEPLATNÁ vydána dne 31.10.1991

Methods for sampling meat and meat products. Preparation of test samples for microbiological examination.

NEPLATNÁ vydána dne 30.6.1989

Mechanical vibration and shock. Mechanical mounting of accelerometers.
(Vibrace a rázy - Mechanické připevnění akcelerometrů.)

NEPLATNÁ vydána dne 15.7.1998

Methods for microbiological examination of gelatine. General introduction and techniques, including sampling and the preparation of dilutions.

NEPLATNÁ vydána dne 30.7.1976

Methods for microbiological examination of gelatine. Enumeration of moulds and of yeasts. Colony counts at 25°C.

NEPLATNÁ vydána dne 30.7.1976