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经营范围
发明名称
Metal working
摘要
申请公布号
US1949599(A)
申请公布日期
1934.03.06
申请号
US19310566175
申请日期
1931.09.30
申请人
NIKOLAUS BREGGER
发明人
BREGGER NIKOLAUS
分类号
C23C2/02
主分类号
C23C2/02
代理机构
代理人
主权项
地址
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