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发明名称
Doorcheck
摘要
申请公布号
US1984842(A)
申请公布日期
1934.12.18
申请号
US19320617804
申请日期
1932.06.17
申请人
ALEX ROSE
发明人
ROSE ALEX
分类号
E05C19/02
主分类号
E05C19/02
代理机构
代理人
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地址
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