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发明名称
Safety device for doors
摘要
申请公布号
US3335453(A)
申请公布日期
1967.08.15
申请号
US19650464007
申请日期
1965.06.15
申请人
LOVELACE WILLIS B
发明人
LOVELACE WILLIS B.
分类号
E05F5/04
主分类号
E05F5/04
代理机构
代理人
主权项
地址
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