• BS 7208-2:1991

BS 7208-2:1991

Contact lenses-Method of classifying contact lens materials

BSI Group, 01/31/1992

Publisher: BS

File Format: PDF

$52.00$104.14


Published:31/01/1992

Pages:16

File Size:1 file , 1000 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Simple means by which the materials used in lens manufacture can be readily identified.

Cross References:
BS 3521:Part 3

More BS standard pdf

BS 12/30242979 DC

BS 12/30242979 DC

BS EN ISO 15758. Hygrothermal performance of building equipment and industrial installations. Calculation of water vapour diffusion. Cold pipe insulation systems

$100.00 $200.54

BS 12/30242888 DC

BS 12/30242888 DC

BS EN ISO 16841. Steel wire ropes. Pulling eyes for rope installation. Types and minimum requirements

$144.00 $289.12

BS 12/30261664 DC

BS 12/30261664 DC

BS EN 12309-7. Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW. Specific provisions for hybrid appliances

$109.00 $218.08

BS 12/30261661 DC

BS 12/30261661 DC

BS EN 12309-6. Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW. Calculation of seasonal performances

$134.00 $268.99