Improvements in ophthalmic mountings,申请号GB19450020746-传众专利搜索

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发明名称	Improvements in ophthalmic mountings
摘要
申请公布号	GB597289(A)	申请公布日期	1948.01.22
申请号	GB19450020746	申请日期	1945.08.13
申请人	AMERICAN OPTICAL COMPANY	发明人
分类号	G02C5/12	主分类号	G02C5/12
代理机构		代理人
主权项
地址

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