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发明名称
PRESSURE PROOF HELICAL CORRUGATED PIPE
摘要
申请公布号
KR930005469(B1)
申请公布日期
1993.06.22
申请号
KR19890012690
申请日期
1989.09.02
申请人
KANAO, SHIRO
发明人
KANAO, SHIRO
分类号
F16L9/16;B21C37/22;F16L11/11;F16L11/14;H02G3/04;(IPC1-7):F16L11/11
主分类号
F16L9/16
代理机构
代理人
主权项
地址
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