METHOD OF MANUFACTURING TUBE WITH INTERNAL PROTECTING SHELL,申请号SU19772486755-传众专利搜索

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发明名称	METHOD OF MANUFACTURING TUBE WITH INTERNAL PROTECTING SHELL
摘要
申请公布号	SU668780(A1)	申请公布日期	1979.06.25
申请号	SU19772486755	申请日期	1977.05.16
申请人	FEDOROV GENNADIJ V,SU	发明人	FEDOROV GENNADIJ V,SU
分类号	B22D19/02;(IPC1-7):B22D19/02	主分类号	B22D19/02
代理机构		代理人
主权项
地址

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