PHOTO HYDROPHONE,申请号JP19850177295-传众专利搜索

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发明名称	PHOTO HYDROPHONE
摘要
申请公布号	JPS6236557(A)	申请公布日期	1987.02.17
申请号	JP19850177295	申请日期	1985.08.12
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	NOSU KIYOSHI;KITAZAWA IWAO;TOBA HIROSHI;INOUE YASUSHI
分类号	H04R1/44;G01N29/00;G02F1/21	主分类号	H04R1/44
代理机构		代理人
主权项
地址

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