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George Charles Berg
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Individual
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Publication of GB190819989ApublicationCriticalpatent/GB190819989A/en
19,989. Berg, G. C. Sept. 23. Plates.-Composite ships' plates are made by placing sheets of copper or copper alloy on a steel plate and uniting them by electric heating.
GB190819989D1908-09-231908-09-23Improvements in Process of Making Composite Ships' Plates.
ExpiredGB190819989A
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