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经营范围
发明名称
Process for welding cast iron, particularly at low temperature
摘要
申请公布号
US2288869(A)
申请公布日期
1942.07.07
申请号
US19400366021
申请日期
1940.11.16
申请人
RENE WASSERMANN
发明人
WASSERMANN RENE
分类号
B23K5/12
主分类号
B23K5/12
代理机构
代理人
主权项
地址
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