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经营范围
发明名称
Hinge
摘要
申请公布号
US2020696(A)
申请公布日期
1935.11.12
申请号
US19350004798
申请日期
1935.02.04
申请人
NATIONAL LOCK CO.
发明人
NORTH EDWIN W.
分类号
E05D3/02
主分类号
E05D3/02
代理机构
代理人
主权项
地址
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