Slab ceiling construction and means for hanging the slabs,申请号US19290375927-传众专利搜索

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法人/股东/高管

发明名称	Slab ceiling construction and means for hanging the slabs
摘要
申请公布号	US1863565(A)	申请公布日期	1932.06.21
申请号	US19290375927	申请日期	1929.07.05
申请人	STRUCTURAL GYPSUM CORPORATION	发明人	DAVIS CLARKE F.;SAUNDERS EDWARD R.
分类号	E04B9/24	主分类号	E04B9/24
代理机构		代理人
主权项
地址

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