SHEET WINDING TYPE WRITING BOARD DEVICE,申请号JP19800075456-传众专利搜索

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发明名称	SHEET WINDING TYPE WRITING BOARD DEVICE
摘要
申请公布号	JPS571795(A)	申请公布日期	1982.01.06
申请号	JP19800075456	申请日期	1980.06.06
申请人	NICHIGAKU CO LTD	发明人	YOSHIDA TOMIO;YAMAZOE GIICHI
分类号	B42D19/00;B43L1/08;G09F11/21;G09F11/29	主分类号	B42D19/00
代理机构		代理人
主权项
地址

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