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经营范围
发明名称
Improvements in welding and brazing
摘要
申请公布号
GB649108(A)
申请公布日期
1951.01.17
申请号
GB19470026934
申请日期
1947.10.07
申请人
KARL SPITZ
发明人
分类号
B23K1/19;B23K5/12
主分类号
B23K1/19
代理机构
代理人
主权项
地址
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