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发明名称
맨홀의 속뚜껑 체결용 링
摘要
<p>본 고안은 맨홀테의 내부 하측에 속뚜껑의 절첩식 걸림대가 걸릴 수 있는 턱을 설치하기 위하여 링(1)에 방사형 버팀보울트(3)들을 나삽하고 상면에는 탄력성 고무제 패킹(4)을 환형으로 설치한 링이다.</p>
申请公布号
KR980008293(U)
申请公布日期
1998.04.30
申请号
KR19960019506U
申请日期
1996.07.01
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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