Method for making hollow glass building blocks,申请号US19370164121-传众专利搜索

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发明名称	Method for making hollow glass building blocks
摘要
申请公布号	US2191952(A)	申请公布日期	1940.02.27
申请号	US19370164121	申请日期	1937.09.16
申请人	CORNING GLASS WORKS	发明人	BLAU HENRY H.
分类号	C03B23/24	主分类号	C03B23/24
代理机构		代理人
主权项
地址

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