Improvements in and connected with lenses and in means for producing same,申请号GB19320035373-传众专利搜索

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法人/股东/高管

发明名称	Improvements in and connected with lenses and in means for producing same
摘要
申请公布号	GB413670(A)	申请公布日期	1934.07.16
申请号	GB19320035373	申请日期	1932.12.14
申请人	HENRY JAMES BIRCHALL	发明人
分类号	G02B27/00;G02C7/02	主分类号	G02B27/00
代理机构		代理人
主权项
地址

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