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发明名称
Roller rail for heat treating furnaces
摘要
申请公布号
US2182202(A)
申请公布日期
1939.12.05
申请号
US19380196852
申请日期
1938.03.19
申请人
HARRIS HENRY H
发明人
HARRIS HENRY H.
分类号
F27D3/02
主分类号
F27D3/02
代理机构
代理人
主权项
地址
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