METHOD AND APPARATUS FOR ENLARGING A HOLLOW BODY SERVING AS A MUFF COUPLING,申请号EP19780200387-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR ENLARGING A HOLLOW BODY SERVING AS A MUFF COUPLING
摘要
申请公布号	EP0003487(B1)	申请公布日期	1981.02.25
申请号	EP19780200387	申请日期	1978.12.21
申请人	BBC AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.	发明人	KUNZLI, ROLAND;MELTON, KEITH, DR.;MERCIER, OLIVIER, DR. ING.
分类号	B21D39/20;B21D41/02;B23K20/00;B23P11/02;(IPC1-7):B21D39/20	主分类号	B21D39/20
代理机构		代理人
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