Ladder with integral water supply,申请号US19600067447-传众专利搜索

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发明名称	Ladder with integral water supply
摘要
申请公布号	US3090489(A)	申请公布日期	1963.05.21
申请号	US19600067447	申请日期	1960.10.24
申请人	SMITH GEORGE L	发明人	SMITH GEORGE L.
分类号	E04H4/12;E04H4/14;E06C9/00	主分类号	E04H4/12
代理机构		代理人
主权项
地址

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