Safety of power transformers, power supplies, reactors and similar products - Particular requirements and tests for transformers and power supplies for toys Ingestion-build-58863 BS ISO 13779-1 specifies requirements

BS ISO 13779-1 specifies requirements for ceramic hydroxyapatite intended for use as surgical implants

case-hardening and through hardened steels for the special applications of blooms

For practical purposes for aggregates in concrete

BS EN 3752 on self-locking nuts with MJ threads is useful for:

This is part six in a series of international standards on the biological evaluation of medical devices

Safety of power transformers, power supplies, reactors and similar products - Particular requirements and tests for transformers and power supplies for toys Ingestion-build-58863 BS ISO 13779-1 specifies requirements1 Scope Replacement: This part of IEC 61558 deals with safety aspects of transformers for toys and power supplies incorporating transformers for toys such as electrical, thermal and mechanical safety. This Part 2 7 is applicable to transformers for toys and power supplies incorporating both transformers for toys and electronic circuits. This Part 2 7 is not applicable to external circuits and their components intended to be connected to the input