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发明名称
摘要
申请公布号	DE9103231(U1)	申请公布日期	1991.06.13
申请号	DE19910003231U	申请日期	1991.03.16
申请人	JUAN, SHENG HSIUNG, TAICHUNG, TW	发明人
分类号	B21D51/26	主分类号	B21D51/26
代理机构		代理人
主权项
地址

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