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发明名称
ARC-WELDING ELECTRODE FOR WELDING COPPER AND COPPER ALLOYS
摘要
申请公布号
CA824107(A)
申请公布日期
1969.09.30
申请号
CAD824107
申请日期
申请人
INSTYTUT SPAWALNICTWA
发明人
JAN WEGRZYN
分类号
主分类号
代理机构
代理人
主权项
地址
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