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发明名称
排水阀(P2412)
摘要
申请公布号
CN3340787D
申请公布日期
2003.12.17
申请号
CN03352928.0
申请日期
2003.06.26
申请人
王彦庆
发明人
王彦庆;宋子春;邢锦荣;陈风
分类号
23-01
主分类号
23-01
代理机构
唐山永和专利事务所
代理人
张云和
主权项
地址
063307河北省唐山市丰南区黄各庄镇唐山惠达陶瓷集团
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