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METALS AND THEIR TREATMENT
Metal Defect Detector (U.S.S.R. 115,104,)
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METALS AND THEIR TREATMENT
Steel Quenching Bath (U.S. Patent 2,817,612)
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METALS AND THEIR TREATMENT
Steel Rimming Agent (U.S. Patent 2,854,329)
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METALS AND THEIR TREATMENT
Iron & Steel hardening Salts (French Patent 1,113,571)
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METALS AND THEIR TREATMENT
Revivifying Carburizing Agents (East German Patent 11,840)
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PYROTECHNICS AND EXPLOSIVES
Military Smoke (U.S. Patent 2,658,874)
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METALS AND THEIR TREATMENT
Solid Carburizer (U.S.S.R. 111,009)
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METALS AND THEIR TREATMENT
Foundry Mold Filler (U.S.S.R. 102,545)
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METALS AND THEIR TREATMENT
Foundry Mold Coating (U.S Patent 2,755,192)
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METALS AND THEIR TREATMENT
Foundry Sand Core Coating (U.S. Patent 2,809,117)
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