SPEECH RECORD COMPRESSION OR EXPANSION APPARATUS,申请号PL19850256058-传众专利搜索

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发明名称	SPEECH RECORD COMPRESSION OR EXPANSION APPARATUS
摘要
申请公布号	PL149148(B1)	申请公布日期	1990.01.31
申请号	PL19850256058	申请日期	1985.10.31
申请人		发明人
分类号	H04B;H04B1/64;(IPC1-7):H04B1/64	主分类号	H04B
代理机构		代理人
主权项
地址

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