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发明名称
Combination lock
摘要
申请公布号
US1952257(A)
申请公布日期
1934.03.27
申请号
US19330650565
申请日期
1933.01.06
申请人
JONES ALVA C
发明人
JONES ALVA C.
分类号
E05B37/02
主分类号
E05B37/02
代理机构
代理人
主权项
地址
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