Aerospace series. Lamps, incandescent - Lamp, code 685. Product standard Ingestion-build-146508 BS 1571-2 specifies the conditions

BS 1571-2 specifies the conditions under which an air compressor or exhauster can be tested provided that a compressor or exhauster of the same series has already been type tested in accordance with Part 1 of BS 1571-2

ISO/IEC 10367 provides details about notation

4 Data Quality

Information technology — CDIF framework — Part 2: Modelling and extensibility) includes the definition of the CDIF meta-metamodel and describes the rules and notations used throughout the CDIF family of standards

BS EN 60898‑1 also applies to circuit-breakers having more than one rated current

Aerospace series. Lamps, incandescent - Lamp, code 685. Product standard Ingestion-build-146508 BS 1571-2 specifies the conditions