Implants for surgery. General guidelines and requirements for assessment of absorbable metallic implantsWhat is ISO TS 20721 about? ISO TS 20721 is an international standard on surgery implants that discusses the guideline and requirements for absorbable metallic implants. ISO TS 20721 specifies the currently recognized approaches and special considerations needed when evaluating the in vitro and in vivo performance of absorbable metals and implants fabricated, in whole or in part, from them. ISO TS 20721 covers the evaluation of absorbable metal

ISO 12572 can be consulted

b) ash content

b)      Clause 4 "Principle" has been added

BS EN 61753-091-3 is a part of an international multi-series standard that covers performance norms for fibre optic interconnecting devices and passive components

Period of the thermal variations

including the use of electronic signatures and electronic copyright systems

Automotive engineers

test methods and performance criteria for point-type multi-sensor fire detectors for use in fire detection systems installed in and around buildings (see EN 54‑1:2011)

Groundwater water investigation and monitoring of waste disposal (landfill) sites

alternative types of failure which may take place within the adherend are described

BS EN 16603-33-11 defines the requirements for the use of explosives on all spacecraft and other space products including launch vehicles

BS EN 438-8 on thermosetting resins is useful for: