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SAUTTER HARLE ET CIE
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SAUTTER HARLE ET CIE
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Application filed by SAUTTER HARLE ET CIEfiledCriticalSAUTTER HARLE ET CIE
Priority to ES29847ApriorityCriticalpatent/ES29847A2/en
Publication of ES29847A2publicationCriticalpatent/ES29847A2/en
A mechanical and chemical procedure to manufacture a silico-calcareous artificial stone, by means of the aid of an auto-key device that serves for its steam firing system "A. Pontiviane y Compañía".
An improved system apparatus to govern or regulate the pressure of the gas or the supply of this fluid, or both, the use of an indicator being optional.