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发明名称
VACUUM CREATING DEVICES
摘要
申请公布号
CA655719(A)
申请公布日期
1963.01.08
申请号
CAD655719
申请日期
申请人
AIR-VAC ENGINEERING COMPANY
发明人
STEPHEN W. LASTO;RAYMOND A. DUHAIME
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主分类号
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