Barium crown glass,申请号US19340711907-传众专利搜索

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发明名称	Barium crown glass
摘要
申请公布号	US2038726(A)	申请公布日期	1936.04.28
申请号	US19340711907	申请日期	1934.02.19
申请人	PITTSBURGH PLATE GLASS COMPANY	发明人	GELSTHARP FREDERICK
分类号	C03C3/108	主分类号	C03C3/108
代理机构		代理人
主权项
地址

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