Photoelectric detonator operated by reflection,申请号US19340705355-传众专利搜索

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发明名称	Photoelectric detonator operated by reflection
摘要
申请公布号	US2060200(A)	申请公布日期	1936.11.10
申请号	US19340705355	申请日期	1934.01.05
申请人	HAMMOND JR JOHN HAYS	发明人	JR. JOHN HAYS HAMMOND,
分类号	F42C13/02	主分类号	F42C13/02
代理机构		代理人
主权项
地址

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