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发明名称
Improvements in tunnel kilns
摘要
申请公布号
GB340271(A)
申请公布日期
1930.12.19
申请号
GB19290022260
申请日期
1929.07.19
申请人
WOODALL-DUCKHAM (1920) LIMITED;ARTHUR MCDOUGALL DUCKHAM
发明人
分类号
F27B9/08;F27B9/16
主分类号
F27B9/08
代理机构
代理人
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地址
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