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发明名称
Bolt and nut connection
摘要
申请公布号
US2295466(A)
申请公布日期
1942.09.08
申请号
US19390280248
申请日期
1939.06.21
申请人
JOSEPH HAFELE
发明人
HAFELE JOSEPH
分类号
F16B39/24
主分类号
F16B39/24
代理机构
代理人
主权项
地址
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