1 result for “Union Carbide Corporation”
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Patent · July 29, 1924 · page 2
Cement Tiles, Sheets, etc (US Patent 1,503,409, 1924)
In the document: …5. 5 ince, Union of South Africa, have invented Fig. 7 is a part sectional elevation of a a certain new and useful Improvement in suitable mould and means for making lamp 60 Processes of Manufacturing…