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发明名称
吸尘黑板擦
摘要
吸尘黑板擦由联接管、吸尘器和黑板擦三部分组成,其中:黑板擦包含有擦头、擦架、尘道和集尘口四个主要部分。尘道与集尘口直接相通,吸尘器固定安装在黑板外,在黑板擦的集尘口与吸尘器的吸尘口之间依靠联接管相联通;使用时利用黑板擦的擦头将黑板上的粉笔灰擦掉,同时在吸尘器的作用下,擦掉的粉尘进入尘道,并通过集尘口和联接管,最后对粉尘收集于吸尘器内。
申请公布号
CN2053580U
申请公布日期
1990.02.28
申请号
CN89204688.0
申请日期
1989.04.14
申请人
刘伯泉
发明人
刘伯泉
分类号
B43L21/02
主分类号
B43L21/02
代理机构
代理人
主权项
1、吸尘黑板擦用具主要由吸尘器、联接管和黑板擦三部分组成,其特征在于: a、黑板擦包含擦头、擦架、尘道和集尘口四个主要部分; b、在黑板擦的集尘口与吸尘器的吸尘口之间依靠联接管相联通;
地址
广西壮族自治区河池市广西东江机械厂技校
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