BS 2733:1956

Specification. Intrinsically safe magneto-call telephones primarily for use in coal mines

BSI Group , 03/14/1956

Publisher: BS

File Format: PDF

$132.00$264.16

Standard By:BSI Group , 03/14/1956

Published:03/14/1956

ISBN(s):0580029034

Language:English

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

Telephone ringing and speech circuits. Magneto-generator characteristics, magneto-operated bell. Coupling unit.

$35.00 $70.00

$42.00 $85.00

$31.00 $62.00

$64.00 $129.00