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.

$22.00 $45.00

$22.00 $45.00

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