OPERATION CHANGE ACOUSTIC INDICATOR,申请号JP19850274933-传众专利搜索

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发明名称	OPERATION CHANGE ACOUSTIC INDICATOR
摘要
申请公布号	JPS62134369(A)	申请公布日期	1987.06.17
申请号	JP19850274933	申请日期	1985.12.09
申请人	HITACHI LTD	发明人	KURIHARA KAZUO
分类号	B61L3/16;B61D37/00;B61L27/00	主分类号	B61L3/16
代理机构		代理人
主权项
地址

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