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发明名称
HYPOCAUST TUBE OF HOT WATER AND ITS MANUFACTURING METHOD
摘要
申请公布号
KR1019910000331(B1)
申请公布日期
1991.01.24
申请号
KR1019880004303
申请日期
1988.04.15
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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Sprøjtehoveder
Hole puncher