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Ludwig Scholvien
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Drilling And Exploitation, And Mining Machines And Methods
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Abstract
13,216. Scholvien, L. June 28. Blasting.-Bore-holes are tamped with cement or paste which will set quickly shrinking. Mixtures of soluble glass and baryta with or without asbestos, or other materials, or of Portland cement with gypsum or magnesia, may be used.
GB190113216D1901-06-281901-06-28Improvements in the Tampings of Boreholes for Blasting Operations.
ExpiredGB190113216A
(en)