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发明名称
Locking device for cold storage vault doors
摘要
申请公布号
US2630004(A)
申请公布日期
1953.03.03
申请号
US19510250590
申请日期
1951.10.08
申请人
WELSHONS CARLOS M
发明人
WELSHONS CARLOS M.
分类号
E05B65/00
主分类号
E05B65/00
代理机构
代理人
主权项
地址
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