Control valve for automatic sprinkler systems,申请号US19330654956-传众专利搜索

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发明名称	Control valve for automatic sprinkler systems
摘要
申请公布号	US2003884(A)	申请公布日期	1935.06.04
申请号	US19330654956	申请日期	1933.02.02
申请人	EUGENE HALFORD MARION	发明人	HALFORD MARION EUGENE
分类号	A62C35/64	主分类号	A62C35/64
代理机构		代理人
主权项
地址

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