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发明名称
Door holding device
摘要
申请公布号
US1880711(A)
申请公布日期
1932.10.04
申请号
US19300489757
申请日期
1930.10.20
申请人
NATIONAL MANUFACTURING COMPANY
发明人
BITTORF LOUIS A.
分类号
E05C17/22
主分类号
E05C17/22
代理机构
代理人
主权项
地址
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