Improvements in or relating to ducts having sound-absorbing walls for the conductionof gaseous fluids,申请号GB19530031412-传众专利搜索

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发明名称	Improvements in or relating to ducts having sound-absorbing walls for the conductionof gaseous fluids
摘要
申请公布号	GB733329(A)	申请公布日期	1955.07.06
申请号	GB19530031412	申请日期	1953.11.12
申请人	LOTHAR CREMER	发明人
分类号	F01N1/24;F16L9/21;F16L51/02;F16L55/033;G10K11/172	主分类号	F01N1/24
代理机构		代理人
主权项
地址

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