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发明名称
SCHUTZGASDUESE FUER LICHTBOGENSCHWEISSVERFAHREN
摘要
申请公布号
DD295317(A5)
申请公布日期
1991.10.31
申请号
DD19900341864
申请日期
1990.06.20
申请人
TECHNISCHE HOCHSCHULE KOETHEN,DD
发明人
HINZ,AXEL,DD;KREUCHWIG,LUTZ,DD
分类号
B23K9/095;B23K9/16;(IPC1-7):B23K9/095
主分类号
B23K9/095
代理机构
代理人
主权项
地址
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