,申请号LUD64518-传众专利搜索

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发明名称
摘要
申请公布号	LU64518(A1)	申请公布日期	1972.06.20
申请号	LUD64518	申请日期	1971.12.24
申请人		发明人
分类号	C04B35/103;C04B35/10;C04B35/52	主分类号	C04B35/103
代理机构		代理人
主权项
地址

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