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John Janitschek
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Curing Cements, Concrete, And Artificial Stone
(AREA)
Abstract
12,447. Janitschek, J. May 29. Plaster compositions. - A mould for casting metals is made of a mixture of plaster, slagwool, and ashes of coal or wood, with or without whitening. The mixture is wetted with water or alum solution.
GB190612447D1906-05-291906-05-29Improvements relating to Casting Metals.
ExpiredGB190612447A
(en)