Electrical protection relays. Requirements for single input energizing quantity relays-Specification for single input energizing quantity measuring relays with non-specified time or independent specified time
standard by BSI Group, 07/29/1983
Methods of test for petroleum and its products-Hydrocarbon types in liquid petroleum products by fluorescent indicator absorption
standard by BSI Group, 02/28/1985
Methods of testing refractory materials. Chemical analysis of chrome bearing materials
standard by BSI Group, 12/31/1969
Specification for performance tests for protective schemes used in the protection of light-gauge steel and wrought iron against corrosion
standard by BSI Group, 10/22/1952
Universal Decimal Classification. English full edition-Education. Teaching. Training. Leisure
standard by BSI Group, 06/30/1975
Specification for insulating oil for transformers and switchgear
standard by BSI Group, 11/12/1956
Specification for medical gas cylinders, valves and yoke connections
standard by BSI Group, 10/29/1976