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发明名称
Lock washer
摘要
申请公布号
US2228217(A)
申请公布日期
1941.01.07
申请号
US19370170794
申请日期
1937.10.25
申请人
ILLINOIS TOOL WORKS
发明人
OLSON CARL G.
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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