Method of calcining gypsum,申请号US19300420469-传众专利搜索

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发明名称	Method of calcining gypsum
摘要
申请公布号	US1863318(A)	申请公布日期	1932.06.14
申请号	US19300420469	申请日期	1930.01.13
申请人	STRUCTURAL GYPSUM CORPORATION	发明人	AMOSS WALTER
分类号	C04B11/02	主分类号	C04B11/02
代理机构		代理人
主权项
地址

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