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发明名称
MANUFACTURING EQUIPMENT FOR ELECTRICALLY RESISTING WELDED SQUARE TUBE
摘要
申请公布号
JPH05212440(A)
申请公布日期
1993.08.24
申请号
JP19920020024
申请日期
1992.02.05
申请人
KUSAKABE DENKI KK
发明人
AKIYAMA KIYOSHI
分类号
B21C37/15;B21D5/12
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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