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发明名称
Safety door check construction
摘要
申请公布号
US2200627(A)
申请公布日期
1940.05.14
申请号
US19380200859
申请日期
1938.04.08
申请人
LEVY
发明人
LEVY MAURICE A.;SMITH CLARENCE E.
分类号
E05C17/30
主分类号
E05C17/30
代理机构
代理人
主权项
地址
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