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发明名称
STEEP PIPE COILING DEVICE FOR BOILER
摘要
申请公布号
KR830000006(U)
申请公布日期
1983.01.25
申请号
KR19810001635U
申请日期
1981.03.06
申请人
CHAE SEOK DAE
发明人
CHAE SEOK DAE
分类号
B21D9/12;(IPC1-7):B21D9/12
主分类号
B21D9/12
代理机构
代理人
主权项
地址
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