Sectional swimming pool cover,申请号US19650517761-传众专利搜索

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发明名称	Sectional swimming pool cover
摘要
申请公布号	US3412409(A)	申请公布日期	1968.11.26
申请号	US19650517761	申请日期	1965.12.30
申请人	HARRY E. PUTNEY	发明人	PUTNEY HARRY E.
分类号	E04H4/08	主分类号	E04H4/08
代理机构		代理人
主权项
地址

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