71623256
Jan 5, 1952
Sep 15, 1953
CONSTRUCTION CEMENT OF THE HARDENED SILICATE TYPE AND ALSO FOR CERTAIN INGREDIENTS THEREFOR-NAMELY, A MIXTURE OF FILLER AND SETTING AGENT ADAPTED TO BE ADMIXED BY THE USER WITH A SILICATE SOLUTION TO PRODUCE A MORTAR FOR FORMING SAID HARDENED SILICATE CEMENT
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