DUAL REFILL-TYPE WRITING UTENSIL,申请号US19900563808-传众专利搜索

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发明名称	DUAL REFILL-TYPE WRITING UTENSIL
摘要
申请公布号	US5056947(A)	申请公布日期	1991.10.15
申请号	US19900563808	申请日期	1990.08.06
申请人	KOTOBUKI & CO., LTD.	发明人	KUBOTA, MASUO;KAGEYAMA, HIDEHEI;KOBAYASHI, SABURO;MITSUYA, YOSHIHIDE;EBINUMA, TADAYOSHI
分类号	B43K24/14;B43K27/00;B43K27/02	主分类号	B43K24/14
代理机构		代理人
主权项
地址

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