Sprinkler,申请号US19290365921-传众专利搜索

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发明名称	Sprinkler
摘要
申请公布号	US1821723(A)	申请公布日期	1931.09.01
申请号	US19290365921	申请日期	1929.05.25
申请人	PERRY CHARLES H	发明人	PERRY CHARLES H.
分类号	B05B3/04	主分类号	B05B3/04
代理机构		代理人
主权项
地址

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