A SPHERICAL ANTI-RETURN FLOW APPARATUS,申请号HK20040100946-传众专利搜索

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发明名称	A SPHERICAL ANTI-RETURN FLOW APPARATUS
摘要
申请公布号	HK1062113(A2)	申请公布日期	2004.09.17
申请号	HK20040100946	申请日期	2004.02.12
申请人	WING-SUM CHEUNG;CHUNG-KEE STEVE WONG	发明人	WING-SUM CHEUN;CHUNG-KEE, STEVE WONG
分类号	B01D;E03C;F16K;F16K15/04;(IPC1-7):F16K	主分类号	B01D
代理机构		代理人
主权项
地址

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