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发明名称
钻头(绿色)
摘要
1.请求保护色彩;2.后视图和主视图对称,省略后视图;3.仰视图和俯视图对称,省略仰视图;4.省略其它视图。
申请公布号
CN3342855D
申请公布日期
2003.12.31
申请号
CN03316255.7
申请日期
2003.04.28
申请人
余少华
发明人
余少华
分类号
08-01
主分类号
08-01
代理机构
代理人
主权项
地址
325000浙江省乐清市雁芙乡西塍村
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