BS 2733:1956

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

BSI Group , 03/14/1956

$132.00 $264.16
Telephone ringing and speech circuits. Magneto-generator characteristics, magneto-operated bell. Coupling unit.

Product Information

Published: 03/14/1956
ISBN: 0580029034
Language: English
Note: This product is unavailable in Ukraine, Russia, Belarus

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