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发明名称
Open hearth furnace doors
摘要
申请公布号
US3081752(A)
申请公布日期
1963.03.19
申请号
US19590847650
申请日期
1959.10.20
申请人
QUIGLEY COMPANY, INC.
发明人
DEMAISON RAYMOND J.
分类号
F23M7/00;F27D1/18
主分类号
F23M7/00
代理机构
代理人
主权项
地址
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