Methods for determining optical properties of pulp, paper and board. Determination of opacity (paper backing) of paper and board by the diffuse reflectance method.

NEPLATNÁ vydána dne 29.8.1975

Methods for determining optical properties of pulp, paper and board. Determination of opacity (paper backing) of paper and board by the diffuse reflectance method.

NEPLATNÁ vydána dne 30.6.1980

Methods for determining optical properties of pulp, paper and board. Measurement of diffuse blue reflectance factor (ISO brightness) of pulps.

NEPLATNÁ vydána dne 31.3.1980

Specification for independent thermostatically controlled central heating boilers with rated outputs up to 44 KW. Boilers with undergrate ash removal designed to burn solid smokeless fuels.

NEPLATNÁ vydána dne 24.4.1969

Domestic solid mineral fuel fired boilers with rated output up to 45 kW. Boilers with undergrate ash removal.

NEPLATNÁ vydána dne 1.1.1979

Domestic solid mineral fuel fired boilers with rated output up to 45 kW. Domestic solid mineral fuel fired boilers with rated output up to 45 kw. Specification for boilers with undergrate ash removal.

NEPLATNÁ vydána dne 15.5.2001

Domestic solid mineral fuel fired boilers with rated output up to 45 kW. Gravity feed boilers designed to burn small anthracite.

NEPLATNÁ vydána dne 31.1.1979

Domestic solid mineral fuel fired boilers with rated output up to 45 kW. Specification for gravity feed boilers designed to burn small anthracite.

NEPLATNÁ vydána dne 15.5.2001

Requirements for refrigeration safety.

NEPLATNÁ vydána dne 17.12.1969

Specification for requirements for refrigeration safety.. General.

NEPLATNÁ vydána dne 31.3.1980