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REFRACTORY MATERIAL
摘要
申请公布号
CA363778(A)
申请公布日期
1937.02.02
申请号
CAD363778
申请日期
申请人
FRANK EUGENE LATHE;NORMAN PERCY PITT;ARTHUR CLARENCE HALFERDAHL
发明人
FRANK EUGENE LATHE;NORMAN PERCY PITT;ARTHUR CLARENCE HALFERDAHL
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