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发明名称
CORRUGATED PIPES
摘要
申请公布号
KR910008560(Y1)
申请公布日期
1991.10.25
申请号
KR19890017256U
申请日期
1989.11.22
申请人
MIN BYONG-YI;PARK DOK-HYON
发明人
MIN BYONG-YI;PARK DOK-HYON
分类号
F16L11/112;(IPC1-7):F16L11/112
主分类号
F16L11/112
代理机构
代理人
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地址
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