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发明名称
DEVICE FOR EXPANDING PIPE
摘要
申请公布号
JPH05177275(A)
申请公布日期
1993.07.20
申请号
JP19910344230
申请日期
1991.12.26
申请人
HITACHI LTD;HITACHI KYOWA KOGYO CO LTD;HITACHI ENG & SERVICES CO LTD
发明人
KUROSAWA KOICHI;SAITO HIDEYO;HAYASHI EISAKU;ENOMOTO KUNIO;NUMATA TAKAYUKI;TSUMORI MASAYUKI
分类号
B21D26/033;B21D26/045;B21D39/04;B21D39/08
主分类号
B21D26/033
代理机构
代理人
主权项
地址
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