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发明名称	DUCTING
摘要
申请公布号	GB8523793(D0)	申请公布日期	1985.10.30
申请号	GB19850023793	申请日期	1985.09.26
申请人	SMITHS INDUSTRIES PLC	发明人
分类号	B21C37/12;F16L11/16;(IPC1-7):F16L/	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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