Sound absorbing construction,申请号US19300503973-传众专利搜索

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发明名称	Sound absorbing construction
摘要
申请公布号	US1959057(A)	申请公布日期	1934.05.15
申请号	US19300503973	申请日期	1930.12.22
申请人	C. F. BURGESS LABORATORIES, INC.	发明人	KLIEFOTH MAX H.
分类号	E04B1/84;E04B1/86	主分类号	E04B1/84
代理机构		代理人
主权项
地址

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