Delay electric blasting caps containing spiral delay elements,申请号US19530391293-传众专利搜索

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发明名称	Delay electric blasting caps containing spiral delay elements
摘要
申请公布号	US2757566(A)	申请公布日期	1956.08.07
申请号	US19530391293	申请日期	1953.11.10
申请人	CANADIAN INDUSTRIES (1954) LIMITED	发明人	TOWELL GORDON;MCCAFFREY FRANCIS HAMNET GARLAND
分类号	F42B3/16	主分类号	F42B3/16
代理机构		代理人
主权项
地址

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