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发明名称
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摘要
省略其它视图。主视图1—30__后视图1—30__棋盘主视图__主视图31—60__后视图31—60
申请公布号
CN3019695D
申请公布日期
1993.06.30
申请号
CN92304770.0
申请日期
1992.08.13
申请人
叶蕴
发明人
叶蕴
分类号
21-01
主分类号
21-01
代理机构
中国科学院上海专利事务所
代理人
薛嘉俊
主权项
地址
838001新疆维吾尔自治区吐鲁番大河沿商业街15号
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