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发明名称
HYDRAULIC PIPE EXPANDER
摘要
申请公布号
JPS54124866(A)
申请公布日期
1979.09.28
申请号
JP19780031741
申请日期
1978.03.22
申请人
BABCOCK HITACHI KK;RIKEN SEIKI KK;RIKEN KIKI KK
发明人
TAKEDA SEISHI;YAMAMOTO NOBUHIKO
分类号
B21D39/08
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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