公开/公告号DE19881070C2
专利类型
公开/公告日2001-02-22
原文格式PDF
申请/专利号DE1998181070
发明设计人 WOO JONG SOO POHANG KYUNG SANG BOOK KR;HAN KYU SEOK POHANG KYUNG SANG BOOK KR;HAN CHAN HYE POHANG KYUNG SANG BOOK KR;KIM JAE KWAN POHANG KYUNG SANG BOOK KR;CHOI GYU SEUNG POHANG KYUNG SANG BOOK KR;LEE CHUNG SAN POHANG KYUNG SANG BOOK KR;HONG BYUNG DEUK POHANG KYUNG SANG BOOK KR;
申请日1998-06-26
分类号C21D8/12;
国家 DE
入库时间 2022-08-22 01:10:33