,申请号BED715978-传众专利搜索

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发明名称
摘要
申请公布号	BE715978(A)	申请公布日期	1968.10.16
申请号	BED715978	申请日期	1968.05.31
申请人		发明人
分类号	C23C22/37;C23C22/73;C23G1/02	主分类号	C23C22/37
代理机构		代理人
主权项
地址

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