Pipe service pit and enclosure,申请号US19400354324-传众专利搜索

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发明名称	Pipe service pit and enclosure
摘要
申请公布号	US2292121(A)	申请公布日期	1942.08.04
申请号	US19400354324	申请日期	1940.08.26
申请人	PREBILT HOUSING CORPORATION	发明人	HASENBURGER HENRY;CORBETT HARVEY WILEY
分类号	E04F17/08	主分类号	E04F17/08
代理机构		代理人
主权项
地址

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