Chain welding machine,申请号US19510221428-传众专利搜索

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发明名称	Chain welding machine
摘要
申请公布号	US2684422(A)	申请公布日期	1954.07.20
申请号	US19510221428	申请日期	1951.04.17
申请人	MEYER, ROTH & PASTOR	发明人	ESSER PAUL;STUTZER HANS;GREMM ALFRED
分类号	B21L3/02	主分类号	B21L3/02
代理机构		代理人
主权项
地址

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