APPARATUS FOR DEMONSTRATING THE CORRECT FORMATION OF WRITTEN ALPHABETICAL LETTERS AND CHARACTERS,申请号GB19740036545-传众专利搜索

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发明名称	APPARATUS FOR DEMONSTRATING THE CORRECT FORMATION OF WRITTEN ALPHABETICAL LETTERS AND CHARACTERS
摘要
申请公布号	GB1498815(A)	申请公布日期	1978.01.25
申请号	GB19740036545	申请日期	1975.08.19
申请人	WATERLAND E	发明人
分类号	G09B11/04;(IPC1-7):G09B11/04	主分类号	G09B11/04
代理机构		代理人
主权项
地址

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