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发明名称
防火阀、排烟阀用端密封
摘要
右视图与左视图对称,省略右视图。
申请公布号
CN3648757D
申请公布日期
2007.05.23
申请号
CN200630022676.7
申请日期
2006.05.28
申请人
吕西元
发明人
吕西元;吕淑刚
分类号
09-07
主分类号
09-07
代理机构
衡水市盛博专利事务所
代理人
付震夯
主权项
地址
053200河北省冀州市魏屯镇常宜子村
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