,申请号JP19890140382U-传众专利搜索

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发明名称
摘要
申请公布号	JPH0381250(U)	申请公布日期	1991.08.20
申请号	JP19890140382U	申请日期	1989.12.04
申请人		发明人
分类号	B22D17/22;B21D37/04;(IPC1-7):B22D17/22	主分类号	B22D17/22
代理机构		代理人
主权项
地址

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