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发明名称
EINRICHTUNG ZUR OPTISCHEN BEOBACHTUNG DES UP-SCHWEISSPROZESSES AN VORZUGSWEISE SENKRECHT GENEIGTEN STUMPFNAEHTEN MIT WURZELSPALT
摘要
申请公布号
DD295111(A5)
申请公布日期
1991.10.24
申请号
DD19900341548
申请日期
1990.06.12
申请人
TH KOETHEN DIREKTORAT FORSCHUNG,DD
发明人
BOLLMANN,RALPH-THOMAS,DD;KUPETZ,BERND,DD
分类号
B23K9/18;B23K37/00;(IPC1-7):B23K9/18
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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