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发明名称
SELF-LOCKING SCREW STRUCTURE
摘要
申请公布号
CA355987(A)
申请公布日期
1936.02.18
申请号
CAD355987
申请日期
申请人
CHARLES E. JOHNSON
发明人
CHARLES E. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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