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Publication of CA44654ApublicationCriticalpatent/CA44654A/fr
An Improved Material or Compound adapted for Use as a Varnish, as a Substitute for India Rubber, Gutta Percha, and like Substances and for other purposes, and the Process for its Production.
A New Elastic Material or Manufacture, composed chiefly of Gutta Percha, India Rubber, or other analogous Substance, and the Application of the same to various Useful Purposes.