Process and apparatus for making cellular insulating material,申请号US19280295295-传众专利搜索

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发明名称	Process and apparatus for making cellular insulating material
摘要
申请公布号	US1751430(A)	申请公布日期	1930.03.18
申请号	US19280295295	申请日期	1928.07.25
申请人	CANADA GYPSUM AND ALABASTINE, LIMITED	发明人	THOMSON GEORGE MILLER
分类号	B28B1/00;B28B5/02	主分类号	B28B1/00
代理机构		代理人
主权项
地址

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