Chemical & Metallurgical Engineering

Chemical & Metallurgical Engineering

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CHEMICAL AND METALLURGICAL ENG, NEERING 321 Electrodeposition of Mold or Alto Plate For the accurate reproduction of engraved ... Up to this time no reliable means of measuring the aquot;abrasion hardnessaquot; of thin layers of lXiAri1|a#39;tlff. ... It is believed, however, that by further improvements and by increased experience in the methods of using such plates this service may be appreciably increased.

Title:Chemical & Metallurgical Engineering
Author:Eugene Franz Roeber, Howard Coon Parmelee
Publisher: - 1921


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