HELICAL BARBED TAPE UNIT,申请号USD3463455-传众专利搜索

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发明名称	HELICAL BARBED TAPE UNIT
摘要
申请公布号	US3463455(A)	申请公布日期	1969.08.26
申请号	USD3463455	申请日期	1968.07.01
申请人	PHYSICS TECHNOLOGY LABS INC.	发明人	PAUL T. MECKEL
分类号	B21F25/00;F41H11/08;(IPC1-7):E04H17/04	主分类号	B21F25/00
代理机构		代理人
主权项
地址

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