Valve for sound attenuating device,申请号GB19660021474-传众专利搜索

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发明名称	Valve for sound attenuating device
摘要
申请公布号	GB1126944(A)	申请公布日期	1968.09.11
申请号	GB19660021474	申请日期	1966.05.13
申请人	LEONARD PETER FRIEDER	发明人
分类号	A42B3/16;A61F11/14	主分类号	A42B3/16
代理机构		代理人
主权项
地址

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