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发明名称
Nut lock
摘要
申请公布号
US2336094(A)
申请公布日期
1943.12.07
申请号
US19400340718
申请日期
1940.06.15
申请人
HALL RUTH E
发明人
HALL RUTH E.
分类号
F16B37/02
主分类号
F16B37/02
代理机构
代理人
主权项
地址
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