Sprinkler system connection for sprinkler head,申请号US19530370457-传众专利搜索

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发明名称	Sprinkler system connection for sprinkler head
摘要
申请公布号	US2823807(A)	申请公布日期	1958.02.18
申请号	US19530370457	申请日期	1953.07.27
申请人	HEMPEL HERBERT W	发明人	HEMPEL HERBERT W.
分类号	A62C35/60;F16L41/02	主分类号	A62C35/60
代理机构		代理人
主权项
地址

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