Method and apparatus for extinguishing gas and oil well fires,申请号US19280328371-传众专利搜索

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发明名称	Method and apparatus for extinguishing gas and oil well fires
摘要
申请公布号	US1857788(A)	申请公布日期	1932.05.10
申请号	US19280328371	申请日期	1928.12.26
申请人	MURPHY JOHN S	发明人	MURPHY JOHN S.
分类号	E21B35/00	主分类号	E21B35/00
代理机构		代理人
主权项
地址

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