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发明名称
摘要
申请公布号	JP3029279(B2)	申请公布日期	2000.04.04
申请号	JP19900233181	申请日期	1990.09.05
申请人		发明人
分类号	G01L3/00;G10L13/00;H04M11/00;H04N1/21;(IPC1-7):H04N1/21	主分类号	G01L3/00
代理机构		代理人
主权项
地址

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