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发明名称
ELECTRODE FOR WELDING COPPER AND COPPER ALLOYS
摘要
申请公布号
US3521028(A)
申请公布日期
1970.07.21
申请号
USD3521028
申请日期
1967.09.13
申请人
JAN WEGRZYN
发明人
JAN WEGRZYN
分类号
B23K35/30;B23K35/36;(IPC1-7):B23K35/22
主分类号
B23K35/30
代理机构
代理人
主权项
地址
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