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发明名称
Screened combination lock
摘要
申请公布号
US1848997(A)
申请公布日期
1932.03.08
申请号
US19290398551
申请日期
1929.10.09
申请人
DOENGES WILLIAM F
发明人
DOENGES WILLIAM F.
分类号
E05B37/00
主分类号
E05B37/00
代理机构
代理人
主权项
地址
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