SWIMMING POOL CIRCULATORY SYSTEM,申请号USD3490081-传众专利搜索

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发明名称	SWIMMING POOL CIRCULATORY SYSTEM
摘要
申请公布号	US3490081(A)	申请公布日期	1970.01.20
申请号	USD3490081	申请日期	1967.03.24
申请人	JOHN F. OGDEN	发明人	JOHN F. OGDEN
分类号	E04H4/12;(IPC1-7):E04H3/20	主分类号	E04H4/12
代理机构		代理人
主权项
地址

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