,申请号BG19740027145-传众专利搜索

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发明名称
摘要
申请公布号	BG20888(A1)	申请公布日期	1976.01.20
申请号	BG19740027145	申请日期	1974.07.03
申请人		发明人
分类号	C01B33/18;(IPC1-7):C01B33/18	主分类号	C01B33/18
代理机构		代理人
主权项
地址

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