METHOD OF OBTAINING HOLLOW ARTICLES,申请号SU19762327172-传众专利搜索

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发明名称	METHOD OF OBTAINING HOLLOW ARTICLES
摘要
申请公布号	SU620329(A1)	申请公布日期	1978.08.25
申请号	SU19762327172	申请日期	1976.02.24
申请人	POPOV VIKTOR A,SU	发明人	POPOV VIKTOR A,SU
分类号	B21K21/00;(IPC1-7):B21K21/00	主分类号	B21K21/00
代理机构		代理人
主权项
地址

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