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BS 2733:1956 | 14 Mar 1956 | BSI Knowledge
Standard
Withdrawn
BS 2733:1956
Specification. Intrinsically safe magneto-call telephones primarily for use in coal mines
Published:
14 Mar 1956
•
Withdrawn:
15 Jan 1984
Overview
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Product Details
Descriptors
Type i protected electrical equipment
Mining equipment
Protected electrical equipment
Telephone equipment
Telephone signalling equipment
Coal mining
Permanent-magnet generators
ICS Codes
33.050.10 Telephone equipment
Committee
—
International relationships
—
ISBN
0 580 02903 4
Publisher
BSI