,申请号JP19810044917U-传众专利搜索

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发明名称
摘要
申请公布号	JPS57156518(U)	申请公布日期	1982.10.01
申请号	JP19810044917U	申请日期	1981.03.27
申请人		发明人
分类号	E02B7/20;E02B7/32;E02B9/04;(IPC1-7):E02B7/20	主分类号	E02B7/20
代理机构		代理人
主权项
地址

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