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发明名称
MULTIIROW PUNCHING METHOD
摘要
申请公布号
JPS54159788(A)
申请公布日期
1979.12.17
申请号
JP19780067808
申请日期
1978.06.07
申请人
AIDA ENG LTD
发明人
SUGAWARA MASAKI
分类号
B21D28/08
主分类号
B21D28/08
代理机构
代理人
主权项
地址
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