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经营范围
发明名称
Improvements in or relating to drive screw nails
摘要
申请公布号
GB446204(A)
申请公布日期
1936.04.27
申请号
GB19350000823
申请日期
1935.01.10
申请人
SIDNEY ROBERTS
发明人
分类号
E04D3/36;F16B15/06;F16B35/04;F16B43/00
主分类号
E04D3/36
代理机构
代理人
主权项
地址
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