ICS Vocational Guidance Manual

ICS Vocational Guidance Manual

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Poles; handling and setting; installation; crossarms, brackets, guys, anchors and braces. ... Description of a manual cord-type PBX switchboard in detail, including auxiliary equipment and switchboard circuits, trunk circuit, cord and attendanta#39;sanbsp;...

Title:ICS Vocational Guidance Manual
Author:International Correspondence Schools
Publisher: - 1967


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