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发明名称
WEAR-RESISTING WELDED STEEL TUBE
摘要
申请公布号
JPH06190439(A)
申请公布日期
1994.07.12
申请号
JP19930164093
申请日期
1993.06.08
申请人
I N JI SHOJI KK
发明人
KAWAZU HAJIME
分类号
B21C37/06;B21C37/08;B21C37/09;B21C37/14;B23K9/00;B23K9/025;(IPC1-7):B21C37/14
主分类号
B21C37/06
代理机构
代理人
主权项
地址
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