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发明名称
PROCESS OF TREATING EDGES OF A COIL OF SHEET FOR TUBE WELDING
摘要
申请公布号
CS8905690(A3)
申请公布日期
1992.06.17
申请号
CS19890005690
申请日期
1989.10.09
申请人
KERNAC ERVIN ING. CSC.
发明人
KERNAC ERVIN ING. CSC.
分类号
B21C37/08;(IPC1-7):B21C37/08
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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