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公开(公告)号:EP3047928A4
公开(公告)日:2016-10-12
申请号:EP14845161
申请日:2014-09-17
申请人: POSCO , SINJIN SM CO LTD
发明人: MOON CHANG-HO , LEE SUNG-JIN , LIM SEUNG-HO , KIM JIN-HO , SHIN GEON , ROH KYUNG-HWA , CHOI KANG-HYOUK , KIM YEONG-HYEON , KIM BYEONG-JIN , KIM HONG-GI , NAM YONG-HO , LEE MYEONG-HEE , PARK BONG-HEE , LEE DONG-KYU
CPC分类号: B23D45/021 , B23D47/025 , B23D47/08