METHOD OF MANUFACTURE OF PARTIALLY DEVITRIFIED GLASS PROTECTIVE LAYERS,申请号PL19810230631-传众专利搜索

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发明名称	METHOD OF MANUFACTURE OF PARTIALLY DEVITRIFIED GLASS PROTECTIVE LAYERS
摘要
申请公布号	PL128473(B1)	申请公布日期	1984.01.31
申请号	PL19810230631	申请日期	1981.04.10
申请人		发明人
分类号	C03B;(IPC1-7):C03C3/22	主分类号	C03B
代理机构		代理人
主权项
地址

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