Improvements in sight-testing appliances,申请号GB19460035088-传众专利搜索

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发明名称	Improvements in sight-testing appliances
摘要
申请公布号	GB624728(A)	申请公布日期	1949.06.15
申请号	GB19460035088	申请日期	1946.11.26
申请人	FRANK WILLIAM MASON;JOHN HENRY GANTLETT	发明人
分类号	A61B3/032;A61B3/08	主分类号	A61B3/032
代理机构		代理人
主权项
地址

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