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发明名称
DOOR CHECK
摘要
申请公布号
CA624951(A)
申请公布日期
1961.08.01
申请号
CAD624951
申请日期
申请人
WRIGHT PRODUCTS
发明人
HAROLD W. FALK
分类号
主分类号
代理机构
代理人
主权项
地址
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