,申请号SU19711732071-传众专利搜索

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发明名称
摘要
申请公布号	SU385709(A1)	申请公布日期	1973.06.14
申请号	SU19711732071	申请日期	1971.12.30
申请人		发明人
分类号	B23K20/04;B23K20/08;(IPC1-7):B23P3/06;B23P3/09	主分类号	B23K20/04
代理机构		代理人
主权项
地址

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