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经营范围
发明名称
Combined shovel and sifter
摘要
申请公布号
GB383564(A)
申请公布日期
1932.11.17
申请号
GB19320014443
申请日期
1932.05.21
申请人
ALFRED WOODFINE GRIFFITHS
发明人
分类号
F24B15/08
主分类号
F24B15/08
代理机构
代理人
主权项
地址
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