,申请号JP19700044475U-传众专利搜索

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发明名称
摘要
申请公布号	JPS4633216(Y1)	申请公布日期	1971.11.17
申请号	JP19700044475U	申请日期	1970.05.07
申请人		发明人
分类号	(IPC1-7):B23K3/02	主分类号	(IPC1-7):B23K3/02
代理机构		代理人
主权项
地址

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