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经营范围
发明名称
pipe coupling method made use of clip flange and the coupler
摘要
申请公布号
KR100521771(B1)
申请公布日期
2005.10.17
申请号
KR20020033905
申请日期
2002.06.18
申请人
发明人
分类号
F16L23/08;(IPC1-7):F16L23/08
主分类号
F16L23/08
代理机构
代理人
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地址
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