Sound absorbing means,申请号US19290368409-传众专利搜索

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发明名称	Sound absorbing means
摘要
申请公布号	US1916908(A)	申请公布日期	1933.07.04
申请号	US19290368409	申请日期	1929.06.04
申请人	CARRIER ENGINEERING CORPORATION	发明人	JR. ALFRED E. STACEY,;LEWIS LEO L.;SMITH MILTON S.
分类号	E04B1/84;F16L55/02;F24F13/24	主分类号	E04B1/84
代理机构		代理人
主权项
地址

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