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发明名称
COAXIAL MULTIPOINT TUBE EXPANSION APPARATUS
摘要
申请公布号
JPS5477272(A)
申请公布日期
1979.06.20
申请号
JP19770143906
申请日期
1977.12.02
申请人
HITACHI LTD
发明人
IMAMURA MINORU;KANBARA HIDEAKI
分类号
B21D39/08;B21D39/20
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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