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发明名称
Door check
摘要
申请公布号
US2184201(A)
申请公布日期
1939.12.19
申请号
US19380217333
申请日期
1938.07.05
申请人
SCHONITZER RUDOLPH I
发明人
SCHONITZER RUDOLPH I.
分类号
E05C17/20
主分类号
E05C17/20
代理机构
代理人
主权项
地址
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