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发明名称
Door retaining device
摘要
申请公布号
US2244949(A)
申请公布日期
1941.06.10
申请号
US19380242953
申请日期
1938.11.29
申请人
HUTCHINSON ROBERT H
发明人
HUTCHINSON ROBERT H.
分类号
E05F1/10
主分类号
E05F1/10
代理机构
代理人
主权项
地址
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