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发明名称
KONTAKTROHR FUER SCHUTZGASSCHWEISSUNG.
摘要
申请公布号
DE1980815(U)
申请公布日期
1968.03.14
申请号
DE196700N0362U
申请日期
1967.07.21
申请人
HANS NISSEN
发明人
HANS NISSEN
分类号
B23K9/12
主分类号
B23K9/12
代理机构
代理人
主权项
地址
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