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经营范围
发明名称
Improvements in or relating to screw or bolt fastening devices
摘要
申请公布号
GB902367(A)
申请公布日期
1962.08.01
申请号
GB19600042010
申请日期
1959.07.15
申请人
WARREN RUSSELL ATTWOOD
发明人
分类号
F16B39/24;F16B39/282
主分类号
F16B39/24
代理机构
代理人
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地址
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