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经营范围
发明名称
打字机提箱盖
摘要
省略其它视图。局部剖视左视图
申请公布号
CN3006198S
申请公布日期
1990.08.08
申请号
CN89301597.0
申请日期
1989.07.24
申请人
孙宝云
发明人
孙宝云
分类号
03-01
主分类号
03-01
代理机构
代理人
主权项
地址
上海市虹口区辉河路24号602室(邮政编码:200433)
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