Apparatus for piercing and clenching superposed sheets,申请号US19480032301-传众专利搜索

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法人/股东/高管

发明名称	Apparatus for piercing and clenching superposed sheets
摘要
申请公布号	US2586479(A)	申请公布日期	1952.02.19
申请号	US19480032301	申请日期	1948.06.11
申请人	PAPER NOVELTY MANUFACTURING COMPANY	发明人	PETTOROSSI JOSEPH
分类号	B21D39/03	主分类号	B21D39/03
代理机构		代理人
主权项
地址

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