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SELF-HARDENING SAND FOR PRODUCING MOULDS AND CORES
SELF-HARDENING SAND FOR PRODUCING MOULDS AND CORES
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机译:用于生产模子和模具的自硬砂
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摘要
самотвердещая mixture for the manufacture of foundries and rods, включающа fireproof material based on silica, powdered material on the basis of обожже x магни oxide.ортофосфорную acid and water, от
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