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发明名称
Nut locking device
摘要
申请公布号
US2129009(A)
申请公布日期
1938.09.06
申请号
US19360084708
申请日期
1936.06.11
申请人
HANS KRIWAT
发明人
KRIWAT HANS
分类号
F16B39/284
主分类号
F16B39/284
代理机构
代理人
主权项
地址
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