MATERIALES REFRACTARIOS. DENSIDAD APARENTE Y POROSIDAD ABIERTA DE MATERIALES HIDRATABLES

WITHDRAWN published on 15.3.1975

MATERIALES REFRACTARIOS. POROSIDAD TOTAL

WITHDRAWN published on 15.3.1975

REFRACTORY MATERIALS. AIR PERMEABILITY

WITHDRAWN published on 15.3.1975

ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2).

WITHDRAWN published on 7.10.1994

ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2).

WITHDRAWN published on 25.11.1997

REFRACTORY MATERIALS. RESISTANCE TO COLD COMPRESSION

WITHDRAWN published on 15.3.1975

ELECTRONIC RIPPLE CONTROL RECEIVERS FOR TARIFF AND LOAD CONTROL.

WITHDRAWN published on 7.10.1994

TIME SWITCHES FOR TARIFF AND LOAD CONTROL.

WITHDRAWN published on 7.10.1994

REFRACTORY PRODUCTS. DETERMINATION OF MODULUS OF RUPTURE AT AMBIENT TEMPERATURE

WITHDRAWN published on 10.10.1989

D.C. OR A.C. SUPPLIED ELECTRONIC STEP-DOWN CONVERTORS FOR FILAMENT LAMPS. GENERAL AND SAFETY REQUIREMENTS.

WITHDRAWN published on 1.2.1995