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经营范围
发明名称
BOLT
摘要
The unpainted bolt is manufactured by melting and blending C 0.22%, Si 0.21%, Mn 0.82%, P 0.014%, S 0.004%, Al 0.067%, Cr 0.74%, Cu 0.39%, Ni 0.41%, and B 0.0020% for Fe 100% as the main material of the bolt.
申请公布号
KR970010626(B1)
申请公布日期
1997.06.28
申请号
KR19940003210
申请日期
1994.02.23
申请人
DONG-A CONSTRUCTION INDUSTRY CO.,LTD
发明人
CHOE, JAE-HEE
分类号
F16B35/00;(IPC1-7):F16B35/00
主分类号
F16B35/00
代理机构
代理人
主权项
地址
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