Treatment of gas distribution systems,申请号US19390285942-传众专利搜索

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发明名称	Treatment of gas distribution systems
摘要
申请公布号	US2315555(A)	申请公布日期	1943.04.06
申请号	US19390285942	申请日期	1939.07.22
申请人	THE UNITED GAS IMPROVEMENT COMPANY	发明人	SKEEN JOHN R.
分类号	C09K3/00	主分类号	C09K3/00
代理机构		代理人
主权项
地址

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