METHOD OF MANUFACTURING AN ARTICLE HAVING A CYLINDRICAL PERIPHERAL WALL AND INTEGRAL THINWALLED PORTIONS INWARDLY THEREOF,申请号GB19710026657-传众专利搜索

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发明名称	METHOD OF MANUFACTURING AN ARTICLE HAVING A CYLINDRICAL PERIPHERAL WALL AND INTEGRAL THINWALLED PORTIONS INWARDLY THEREOF
摘要
申请公布号	GB1323370(A)	申请公布日期	1973.07.11
申请号	GB19710026657	申请日期	1971.04.19
申请人	HITACHI LTD	发明人
分类号	B21J5/12;B21C23/10;B21C23/20;B21K21/00;H01J23/16;(IPC1-7):H01J9/02;B23D23/02	主分类号	B21J5/12
代理机构		代理人
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