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经营范围
发明名称
Exit device having length adjustment means for its concealed vertical rods
摘要
申请公布号
US4881765(A)
申请公布日期
1989.11.21
申请号
US19880157535
申请日期
1988.02.19
申请人
YALE SECURITY INC.
发明人
HEID, GEORGE E.
分类号
E05C9/20
主分类号
E05C9/20
代理机构
代理人
主权项
地址
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