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经营范围
发明名称
Spinneret polishing machine
摘要
申请公布号
US2115404(A)
申请公布日期
1938.04.26
申请号
US19370141807
申请日期
1937.05.10
申请人
AMERICAN ENKA CORPORATION
发明人
SPAANBROEK GERRIT
分类号
B24B19/00
主分类号
B24B19/00
代理机构
代理人
主权项
地址
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