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发明名称
REFRACTORY MATERIAL
摘要
申请公布号
CA437315(A)
申请公布日期
1946.10.08
申请号
CAD437315
申请日期
申请人
CANADIAN REFRACTORIES LIMITED;BASIC REFRACTORIES INCORPORATED
发明人
HARLEY C. LEE
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主分类号
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代理人
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