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经营范围
发明名称
Refractory wall and roof making
摘要
申请公布号
US2781006(A)
申请公布日期
1957.02.12
申请号
US19520308749
申请日期
1952.09.10
申请人
GENERAL REFRACTORIES COMPANY
发明人
HEUER RUSSELL PEARCE
分类号
F27D1/02
主分类号
F27D1/02
代理机构
代理人
主权项
地址
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