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发明名称
MANUFACTURE OF COUPLING TUBE
摘要
申请公布号
JPH0639433(A)
申请公布日期
1994.02.15
申请号
JP19920212226
申请日期
1992.07.16
申请人
ONO SEISAKUSHO:KK
发明人
NAGAYAMA YUZO
分类号
B21C37/28;B21D39/02;B21D51/16;(IPC1-7):B21C37/28
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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