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发明名称
METHOD AND APPARATUS FOR PUNCHING GREEN SHEET AND PERFORATED GREEN SHEET
摘要
申请公布号
JPH02139202(A)
申请公布日期
1990.05.29
申请号
JP19880294339
申请日期
1988.11.21
申请人
NGK SPARK PLUG CO LTD
发明人
KUMAGAI SHOZO
分类号
B28B11/12;H05K1/03;H05K3/00
主分类号
B28B11/12
代理机构
代理人
主权项
地址
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