DEVICE FOR DESIGNING WEEKLY LESSON PLANS FOR SCHOOLS,申请号PL19860261917-传众专利搜索

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发明名称	DEVICE FOR DESIGNING WEEKLY LESSON PLANS FOR SCHOOLS
摘要
申请公布号	PL261917(A1)	申请公布日期	1988.10.13
申请号	PL19860261917	申请日期	1986.10.16
申请人		发明人
分类号	G09D;(IPC1-7):G09D/	主分类号	G09D
代理机构		代理人
主权项
地址

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