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发明名称
Apparatus for grooving laminar sheet material
摘要
申请公布号
US3322171(A)
申请公布日期
1967.05.30
申请号
US19630296221
申请日期
1963.07.19
申请人
GROOVFOLD FABRICATORS, INC.
发明人
CORNELL RICHARD R.
分类号
B23C3/30;B27G5/00
主分类号
B23C3/30
代理机构
代理人
主权项
地址
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