SOUND ABSORBING COMPOSITION AND SLAB,申请号CAD350233-传众专利搜索

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发明名称	SOUND ABSORBING COMPOSITION AND SLAB
摘要
申请公布号	CA350233(A)	申请公布日期	1935.05.14
申请号	CAD350233	申请日期
申请人	THE AMERICAN CYANAMID AND CHEMICAL CORPORATION;THE STRUCTURAL GYPSUM CORPORATION	发明人	JOHN M. PORTER
分类号		主分类号
代理机构		代理人
主权项
地址

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