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经营范围
发明名称
滤器
摘要
1.仰视图与俯视图对称，故省略仰视图。2.网格部分代表滤器的网。立体图1立体图2
申请公布号
CN3006588S
申请公布日期
1990.09.26
申请号
CN89301118.5
申请日期
1989.05.09
申请人
吴朗成
发明人
吴朗成
分类号
07-04-C0502
主分类号
07-04-C0502
代理机构
中国专利代理有限公司
代理人
张东明
主权项
地址
香港新界荃湾马角街3/4座5字楼
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