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Author(s)
Edison, Thomas AlvaRecipient(s)
Meadowcroft, William HenryOthers Mentioned
Miller, Walter Henry
Kammerhoff, Heinrich H Meno
Leeming, Harry Toyne
Moore, Sherwood Troop (Sam)
Subject(s)
Chemicals, chemical products, and chemical processesCement
Disc record and duplicating technology
Management (companies and organizations)