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发明名称
摘要
申请公布号
JPH0581330(B2)
申请公布日期
1993.11.12
申请号
JP19850164723
申请日期
1985.07.25
申请人
ISHIKAWAJIMA HARIMA HEAVY IND
发明人
NAKAMURA MASAYUKI;SATO HIROYUKI;TSUCHA NORYUKI
分类号
B21D3/02;B21B31/10;B21B31/14;B21D5/12;(IPC1-7):B21D3/02
主分类号
B21D3/02
代理机构
代理人
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