Portable measuring apparatus for determining the oxygen content of a gas, in particular of an air mixture in a mine working,申请号US19630291675-传众专利搜索

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发明名称	Portable measuring apparatus for determining the oxygen content of a gas, in particular of an air mixture in a mine working
摘要
申请公布号	US3287959(A)	申请公布日期	1966.11.29
申请号	US19630291675	申请日期	1963.07.01
申请人	KARL-FRIEDRICH LUFT	发明人	LUFT KARL-FRIEDRICH
分类号	G01N27/74	主分类号	G01N27/74
代理机构		代理人
主权项
地址

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