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Individual
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Publication of CA106830ApublicationCriticalpatent/CA106830A/en
CA000106830A1907-03-191907-03-19Photographic process of transferring designs and inscriptions to glass or stone, to be engraved by sand blast
ExpiredCA106830A
(en)
Process for the production of writings, inscriptions and ornaments engraved and frosted on stone or glass surfaces, and products obtained by this process