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发明名称
STUD BOLT PRODUCTION METHOD
摘要
申请公布号
KR100899479(B1)
申请公布日期
2009.05.26
申请号
KR20070081721
申请日期
2007.08.14
申请人
发明人
分类号
B21K1/44;B21K1/00
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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