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发明名称
Door check
摘要
申请公布号
US2148674(A)
申请公布日期
1939.02.28
申请号
US19380219133
申请日期
1938.07.14
申请人
ATWOOD JAMES T
发明人
ATWOOD JAMES T.
分类号
E05C17/20
主分类号
E05C17/20
代理机构
代理人
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