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发明名称
관 연결구
摘要
내용 없음
申请公布号
KR840006263(A)
申请公布日期
1984.11.22
申请号
KR19830004253
申请日期
1983.09.09
申请人
null, null
发明人
빌리 알·패터슨(외 1)
分类号
F16L15/00;E21B17/042
主分类号
F16L15/00
代理机构
代理人
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地址
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