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经营范围
发明名称
Improved wood boring bit
摘要
申请公布号
GB674018(A)
申请公布日期
1952.06.18
申请号
GB19490030767
申请日期
1949.11.30
申请人
ARTHUR ERNEST TAYLOR
发明人
分类号
B27G15/00
主分类号
B27G15/00
代理机构
代理人
主权项
地址
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