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发明名称
Improvements in or relating to refractory materials and to methods of making the same
摘要
申请公布号
GB379268(A)
申请公布日期
1932.08.25
申请号
GB19320019351
申请日期
1932.07.08
申请人
DWIGHT AND LLOYD METALLURGICAL COMPANY
发明人
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