,申请号NL19690003545-传众专利搜索

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发明名称
摘要
申请公布号	NL6903545(A)	申请公布日期	1969.09.09
申请号	NL19690003545	申请日期	1969.03.07
申请人		发明人
分类号	G03B41/10;(IPC1-7):G03B41/06	主分类号	G03B41/10
代理机构		代理人
主权项
地址

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