Improvements relating to the perforation of sheet glass,申请号GB19450035155-传众专利搜索

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发明名称	Improvements relating to the perforation of sheet glass
摘要
申请公布号	GB605541(A)	申请公布日期	1948.07.26
申请号	GB19450035155	申请日期	1945.12.29
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人
分类号	C03B23/26	主分类号	C03B23/26
代理机构		代理人
主权项
地址

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