Writing implement,申请号US19630309685-传众专利搜索

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发明名称	Writing implement
摘要
申请公布号	US3233275(A)	申请公布日期	1966.02.08
申请号	US19630309685	申请日期	1963.09.18
申请人	W. A. SHEAFFER PEN COMPANY	发明人	HANSEN LEWIS C.;MANSHEIM RICHARD J.
分类号	B43K5/18	主分类号	B43K5/18
代理机构		代理人
主权项
地址

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