Cutting tool having a retractable protective casing,申请号US19570642112-传众专利搜索

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发明名称	Cutting tool having a retractable protective casing
摘要
申请公布号	US2911717(A)	申请公布日期	1959.11.10
申请号	US19570642112	申请日期	1957.02.25
申请人	FRITZ KNOLL	发明人	KNOLL FRITZ
分类号	A22B5/16;B26B7/00	主分类号	A22B5/16
代理机构		代理人
主权项
地址

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