Apparatus for determining and measuring the gas content of soils,申请号US19510228571-传众专利搜索

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发明名称	Apparatus for determining and measuring the gas content of soils
摘要
申请公布号	US2711644(A)	申请公布日期	1955.06.28
申请号	US19510228571	申请日期	1951.05.28
申请人	MYERS EDWIN D	发明人	MYERS EDWIN D.
分类号	E21B49/00;G01N7/14	主分类号	E21B49/00
代理机构		代理人
主权项
地址

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