DEVICE FOR LIFTING AND LOWERING BLACKBOARD,申请号JP19750116155-传众专利搜索

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发明名称	DEVICE FOR LIFTING AND LOWERING BLACKBOARD
摘要
申请公布号	JPS5241029(A)	申请公布日期	1977.03.30
申请号	JP19750116155	申请日期	1975.09.25
申请人	KAMIOKA MITSUO	发明人	KAMIOKA MITSUO
分类号	B43L1/04;A47B97/06	主分类号	B43L1/04
代理机构		代理人
主权项
地址

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