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发明名称
DOOR CLOSER AND CHECK
摘要
申请公布号
CA541637(A)
申请公布日期
1957.05.28
申请号
CAD541637
申请日期
申请人
SCHLAGE LOCK COMPANY
发明人
ERNEST L. SCHLAGE
分类号
主分类号
代理机构
代理人
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