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经营范围
发明名称
HOT PERFORATING DEVICE
摘要
申请公布号
JPS5411871(A)
申请公布日期
1979.01.29
申请号
JP19770078625
申请日期
1977.06.29
申请人
KOBE STEEL LTD
发明人
TAMURA MASAMITSU;NAKAMURA SHIGEHARU
分类号
B21C23/08;B21C23/00;B21D39/20;B21J5/10;B21J9/04
主分类号
B21C23/08
代理机构
代理人
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