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发明名称
Improvements in or relating to nuts and methods of manufacturing the same
摘要
申请公布号
GB502477(A)
申请公布日期
1939.03.16
申请号
GB19370019804
申请日期
1937.07.16
申请人
SECURIT'S E.D.L.C.
发明人
分类号
F16B39/36
主分类号
F16B39/36
代理机构
代理人
主权项
地址
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