Philips Practical Welding Course

Philips Practical Welding Course

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Mention might here be made of another type of machine which has lately become available which developes its output at ... Dual Current Welder for 3-phase Supply claimed to be improved by stepping up the frequency from the normal 50 cycles to ... We have referred above to a typical circuit diagram for multi-operator sets.

Title:Philips Practical Welding Course
Author:Philips Electrical Ltd. Industrial Department
Publisher: - 1951


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