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发明名称
Lock washer
摘要
申请公布号
US1966427(A)
申请公布日期
1934.07.17
申请号
US19320599106
申请日期
1932.03.16
申请人
NATIONAL LOCK WASHER COMPANY
发明人
BERGE 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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