Improvements in exhaust silencers,申请号GB19310033015-传众专利搜索

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发明名称	Improvements in exhaust silencers
摘要
申请公布号	GB380305(A)	申请公布日期	1932.09.15
申请号	GB19310033015	申请日期	1931.11.28
申请人	JOHANNES BRETSCHNEIDER	发明人
分类号	F01N1/12	主分类号	F01N1/12
代理机构		代理人
主权项
地址

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