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发明名称
Method of making furnace door frames
摘要
申请公布号
US1935853(A)
申请公布日期
1933.11.21
申请号
US19290416604
申请日期
1929.12.26
申请人
RELIANCE STEEL PRODUCTS COMPANY
发明人
MCAFOOS LAWRENCE R.
分类号
F24H9/02
主分类号
F24H9/02
代理机构
代理人
主权项
地址
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