Protractor,申请号GB19920019921-传众专利搜索

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发明名称	Protractor
摘要
申请公布号	GB2264364(B)	申请公布日期	1994.11.30
申请号	GB19920019921	申请日期	1992.09.21
申请人	YIN HONG * WONG	发明人	YIN HONG * WONG
分类号	G01B3/56;(IPC1-7):B43L13/00;G01B5/24	主分类号	G01B3/56
代理机构		代理人
主权项
地址

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