Calvin D. MacCracken

http://dbpedia.org/resource/Calvin_D._MacCracken an entity of type: Thing

Calvin Dodd MacCracken (1919-1999) was an American inventor who made important contributions to energy storage technology and the construction of ice rinks. rdf:langString
rdf:langString Calvin D. MacCracken
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rdf:langString Calvin Dodd MacCracken (1919-1999) was an American inventor who made important contributions to energy storage technology and the construction of ice rinks.
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