Method and apparatus for determining the properties of acoustic materials,申请号US19260122085-传众专利搜索

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发明名称	Method and apparatus for determining the properties of acoustic materials
摘要
申请公布号	US1743414(A)	申请公布日期	1930.01.14
申请号	US19260122085	申请日期	1926.07.13
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	WENTE EDWARD C.
分类号	G01N29/11	主分类号	G01N29/11
代理机构		代理人
主权项
地址

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