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发明名称
摘要
申请公布号	JPS5439638(B2)	申请公布日期	1979.11.29
申请号	JP19770048969	申请日期	1977.04.27
申请人		发明人
分类号	B24D3/34;B24D3/00;B24D3/28	主分类号	B24D3/34
代理机构		代理人
主权项
地址

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