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发明名称
Grate construction
摘要
申请公布号
US2338027(A)
申请公布日期
1943.12.28
申请号
US19400367839
申请日期
1940.11.29
申请人
DAVIES FRANK H
发明人
DAVIES FRANK H.
分类号
F23H17/12
主分类号
F23H17/12
代理机构
代理人
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