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发明名称
Perfectionnements aux fours-tunnels
摘要
申请公布号
FR714439(A)
申请公布日期
1931.11.13
申请号
FRD714439
申请日期
1931.02.26
申请人
WOODALL DUCKHAM (1920) LIMITED
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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