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发明名称
MULTIIPOINT SIMULTANEOUS PIPE EXPANDER
摘要
申请公布号
JPS5514104(A)
申请公布日期
1980.01.31
申请号
JP19780083972
申请日期
1978.07.12
申请人
HITACHI LTD
发明人
WATANABE SHINOBU;FUJISHIMA SUSUMU;OOI MASAO
分类号
B21D39/08;B21D39/20;B21D53/06
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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