Gel ink ball pens and refills - Documentary use (DOC)1 Scope This part of ISO 27668 establishes minimum quality requirements for gel ink ball pens (refillable or non refillable) and refills for documentary use. Basic requirements for gel ink ball pens for general use are given in ISO 27668 1.

BS EN 15316 is part of a series of standards on the methods for calculation of system energy requirements and system efficiencies

c) covers possible hazards caused by failures of the safety functions to be performed by E/E/PE safety-related systems

L1 to L4 interference patterns have been included

vulnerabilities and risk assessment methods

Classification according to the output current

separating

such as bio methane grids or gases of the 3rd family as classified in EN 437

BS EN 14045 on testing disintegration of packaging is useful for:

BS EN 3856 specifies the characteristics of swivel nuts for thrust wire for pipe couplings

BS EN ISO 3369:2010 Impermeable sintered metal materials and hardmetals

as well as the European test methods for asphalt covered by the BS EN 12697 series

BS 2562 lists the information to be given with enquiry and order