Improvements in or relating to writing instruments,申请号GB19560029973-传众专利搜索

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发明名称	Improvements in or relating to writing instruments
摘要
申请公布号	GB821257(A)	申请公布日期	1959.10.07
申请号	GB19560029973	申请日期	1956.10.02
申请人	PAPER MATE MANUFACTURING COMPANY	发明人
分类号	B43K7/02	主分类号	B43K7/02
代理机构		代理人
主权项
地址

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