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发明名称
Refractory roof and method
摘要
申请公布号
US3340832(A)
申请公布日期
1967.09.12
申请号
US19660544618
申请日期
1966.04.22
申请人
GENERAL REFRACTORIES COMPANY
发明人
GRIGSBY CHESTER E.
分类号
F23M5/06;F27D1/02
主分类号
F23M5/06
代理机构
代理人
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