Piston rings up to 200 mm diameter for reciprocating internal combustion engines: specification for rectangular rings with narrow ring width has-tracked-changes 2 Environmental Class II –

2 Environmental Class II – Indoor – General

BS 3625 specifies requirements for the design and construction of eyepiece and screen graticules for particle size analysis by the optical microscope method

BS ISO/IEC 19770-1 is for organizations that want to achieve best practice in Software Asset Management (SAM)

BS EN 4652-322 is one of a series of documents applicable to the specifications of connectors

The assessment criteria are based on the exposure tests in ISO 6509‑1

Piston rings up to 200 mm diameter for reciprocating internal combustion engines: specification for rectangular rings with narrow ring width has-tracked-changes 2 Environmental Class II –