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发明名称
Improvements in and relating to scoops and cinder sifters
摘要
申请公布号
GB487522(A)
申请公布日期
1938.06.22
申请号
GB19370005615
申请日期
1937.02.25
申请人
A. BELL AND COMPANY LIMITED;NORMAN MINDHAM BELL
发明人
分类号
F24B15/00
主分类号
F24B15/00
代理机构
代理人
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地址
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