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发明名称
Improvements in or relating to grates
摘要
申请公布号
GB326819(A)
申请公布日期
1930.03.19
申请号
GB19280037504
申请日期
1928.12.19
申请人
JOHN ECKERT GREENAWALT
发明人
分类号
F27B21/06
主分类号
F27B21/06
代理机构
代理人
主权项
地址
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