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COMPOSITIONS CAPABLE OF HARDENING RAPIDLY IN THE COLD TO YIELD CHEMICALLY RESISTANT MASSES, AND CONTAINING PHENOL-FORMALDEHYDE RESINS, AND A PROCESS OF PREPARING SAID COMPOSITIONS
COMPOSITIONS CAPABLE OF HARDENING RAPIDLY IN THE COLD TO YIELD CHEMICALLY RESISTANT MASSES, AND CONTAINING PHENOL-FORMALDEHYDE RESINS, AND A PROCESS OF PREPARING SAID COMPOSITIONS