Improvements in or relating to spectacle lenses,申请号GB19350031432-传众专利搜索

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发明名称	Improvements in or relating to spectacle lenses
摘要
申请公布号	GB457568(A)	申请公布日期	1936.12.01
申请号	GB19350031432	申请日期	1935.11.13
申请人	JAMES HALLECK HAMMON	发明人
分类号	G02C7/02	主分类号	G02C7/02
代理机构		代理人
主权项
地址

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