PRODUCTION OF ALUMINUM ALLOY PLATE FOR PLANOGRAPHIC PRINTING PLATE SUBSTRATE
PROBLEM TO BE SOLVED: To obtain a cast plate having uniform and fine cast structure and use the plate as an Al alloy plate for planographic printing plate substrate by specifying injection pressure of supplied molten metal at the tip part of a nozzle thereby supplying molten metal. SOLUTION: The mol...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To obtain a cast plate having uniform and fine cast structure and use the plate as an Al alloy plate for planographic printing plate substrate by specifying injection pressure of supplied molten metal at the tip part of a nozzle thereby supplying molten metal. SOLUTION: The molten Al alloy composed of |
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