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发明名称
摘要
申请公布号	JP2689181(B2)	申请公布日期	1997.12.10
申请号	JP19900275024	申请日期	1990.10.12
申请人		发明人
分类号	B44C1/22;B21D37/20;B29C33/38;B29C33/42;(IPC1-7):B29C33/38	主分类号	B44C1/22
代理机构		代理人
主权项
地址

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