MANUFACTURE OF COILED LAMP FILAMENTS,申请号USD3461921-传众专利搜索

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发明名称	MANUFACTURE OF COILED LAMP FILAMENTS
摘要
申请公布号	US3461921(A)	申请公布日期	1969.08.19
申请号	USD3461921	申请日期	1967.04.17
申请人	STANLEY C. ACKERMAN	发明人	STANLEY C. ACKERMAN
分类号	H01K3/02;(IPC1-7):B21F45/00	主分类号	H01K3/02
代理机构		代理人
主权项
地址

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