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发明名称
Lock-out-proof doorknob lock and latch set
摘要
申请公布号
US2694309(A)
申请公布日期
1954.11.16
申请号
US19520271945
申请日期
1952.02.16
申请人
HOLLYMADE HARDWARE MANUFACTURING COMPANY
发明人
JR. ROBERT C. CERF,
分类号
E05B55/00
主分类号
E05B55/00
代理机构
代理人
主权项
地址
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