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发明名称
Vacuum control for moving sheets
摘要
申请公布号
US3396887(A)
申请公布日期
1968.08.13
申请号
US19660534703
申请日期
1966.03.16
申请人
W. R. GRACE & CO.
发明人
BADE RUDOLF
分类号
B29C71/00;B29D7/00;B65H23/24;D06C3/00;D21G9/00
主分类号
B29C71/00
代理机构
代理人
主权项
地址
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