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发明名称
Improvements in forced draught furnaces
摘要
申请公布号
GB508575(A)
申请公布日期
1939.06.30
申请号
GB19370026536
申请日期
1937.09.30
申请人
JOHANN WAGNER
发明人
分类号
F23L1/02
主分类号
F23L1/02
代理机构
代理人
主权项
地址
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