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发明名称
Master operating mechanism for cell doors and locks
摘要
申请公布号
US1785470(A)
申请公布日期
1930.12.16
申请号
US19290386035
申请日期
1929.08.15
申请人
FRANKLIN YOUNGBLOOD DAVID
发明人
YOUNGBLOOD DAVID FRANKLIN
分类号
E05F17/00
主分类号
E05F17/00
代理机构
代理人
主权项
地址
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