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发明名称
QUARTERLINE STOP CONTROL SYSTEM FOR POWER DRIVEN REVOLVING DOORS
摘要
申请公布号
CA872474(A)
申请公布日期
1971.06.01
申请号
CAD872474
申请日期
申请人
INTERNATIONAL STEEL COMPANY
发明人
AMUEL E. SHECKELLS
分类号
主分类号
代理机构
代理人
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地址
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