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发明名称
摘要
申请公布号	FR2243873(B1)	申请公布日期	1979.08.03
申请号	FR19740030602	申请日期	1974.09.10
申请人	NIHON SEIKAN KK	发明人
分类号	B21D51/26;B21D51/30;B21D51/32;(IPC1-7):B65D7/12;B65D17/02	主分类号	B21D51/26
代理机构		代理人
主权项
地址

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