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发明名称
DEVICE FOR EXPANDING PIPES
摘要
申请公布号
JPS52155169(A)
申请公布日期
1977.12.23
申请号
JP19760071195
申请日期
1976.06.18
申请人
HITACHI LTD
发明人
WATANABE SHINOBU;SATOU ATSUSHI;TABEI KENJI;OOI MASAO
分类号
B21D39/08;F28F9/16
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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