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经营范围
发明名称
Improvements in or relating to set screws
摘要
申请公布号
GB1074255(A)
申请公布日期
1967.07.05
申请号
GB19640028492
申请日期
1964.07.10
申请人
LEO RICHARD DAVIDSON
发明人
分类号
F16B35/00
主分类号
F16B35/00
代理机构
代理人
主权项
地址
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