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发明名称
Tunnel kiln
摘要
申请公布号
US1780119(A)
申请公布日期
1930.10.28
申请号
US19280293083
申请日期
1928.07.16
申请人
MCDOUGALL DUCKHAM ARTHUR
发明人
DUCKHAM ARTHUR MCDOUGALL
分类号
F27B9/08
主分类号
F27B9/08
代理机构
代理人
主权项
地址
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