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经营范围
发明名称
Metal scoring machinery
摘要
申请公布号
US2179755(A)
申请公布日期
1939.11.14
申请号
US19370177343
申请日期
1937.11.30
申请人
ISIDOR NEWMAN
发明人
NEWMAN ISIDOR
分类号
B21D51/38;B65G47/88
主分类号
B21D51/38
代理机构
代理人
主权项
地址
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