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经营范围
发明名称
Keeper mechanism
摘要
申请公布号
US2642301(A)
申请公布日期
1953.06.16
申请号
US19500159218
申请日期
1950.05.01
申请人
发明人
ENDTER WALDEMAR A.
分类号
E05B65/34
主分类号
E05B65/34
代理机构
代理人
主权项
地址
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