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发明名称
METHOD AND APPARATUS FOR GROOVING LAMINAR SHEET MATERIAL
摘要
申请公布号
CA804361(A)
申请公布日期
1969.01.21
申请号
CAD804361
申请日期
申请人
RICHARD CORNELL AND ASSOCIATES
发明人
RICHARD R. CORNELL
分类号
主分类号
代理机构
代理人
主权项
地址
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