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发明名称
Combination lock
摘要
申请公布号
US2439140(A)
申请公布日期
1948.04.06
申请号
US19450614369
申请日期
1945.09.04
申请人
ALFRED A. NATHANSON
发明人
MASON GEORGE T.
分类号
E05B37/12
主分类号
E05B37/12
代理机构
代理人
主权项
地址
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