Apparatus for the manufacture of pencils,申请号US19280319088-传众专利搜索

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发明名称	Apparatus for the manufacture of pencils
摘要
申请公布号	US1783997(A)	申请公布日期	1930.12.09
申请号	US19280319088	申请日期	1928.11.13
申请人	AMERICAN LEAD PENCIL COMPANY	发明人	BURDEN WILLIAM H.;FRIEDLEIN ROBERT E.
分类号	B43K19/16	主分类号	B43K19/16
代理机构		代理人
主权项
地址

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