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经营范围
发明名称
Deadlocking mechanism for auxiliary door locks
摘要
申请公布号
US2769652(A)
申请公布日期
1956.11.06
申请号
US19550497258
申请日期
1955.03.28
申请人
DEXTER INDUSTRIES, INC.
发明人
MAURITS ORVILLE C.;GREVENGOED PAUL H.
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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