Fire-extinguishing apparatus,申请号US19490092806-传众专利搜索

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发明名称	Fire-extinguishing apparatus
摘要
申请公布号	US2580419(A)	申请公布日期	1952.01.01
申请号	US19490092806	申请日期	1949.05.12
申请人	SPECIALTIES DEVELOPMENT CORPORATION	发明人	GRIGGS NELSON S.
分类号	A62C13/72	主分类号	A62C13/72
代理机构		代理人
主权项
地址

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