,申请号CHD1790067D-传众专利搜索

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发明名称
摘要
申请公布号	CH1790067(A4)	申请公布日期	1970.04.15
申请号	CHD1790067D	申请日期	1967.12.20
申请人		发明人
分类号	G04B37/10	主分类号	G04B37/10
代理机构		代理人
主权项
地址

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