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发明名称
GREASE EXTRACTING VENTILATOR SYSTEM
摘要
申请公布号
CA793025(A)
申请公布日期
1968.08.27
申请号
CAD793025
申请日期
申请人
DOHRMANN CO.
发明人
JACK W. CEDARQUIST;EDWARD GRASWICH
分类号
主分类号
代理机构
代理人
主权项
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