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发明名称
DOOR CLOSER
摘要
申请公布号
CA752994(A)
申请公布日期
1967.02.21
申请号
CAD752994
申请日期
申请人
INDEPENDENT LOCK COMPANY
发明人
GEORGE P. PATRIQUIN
分类号
主分类号
代理机构
代理人
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地址
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