,申请号JP19720015476-传众专利搜索

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发明名称
摘要
申请公布号	JPS5644212(B2)	申请公布日期	1981.10.17
申请号	JP19720015476	申请日期	1972.02.14
申请人		发明人
分类号	E02F3/90;B63B35/00;H02P5/46	主分类号	E02F3/90
代理机构		代理人
主权项
地址

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