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经营范围
发明名称
Coring machine
摘要
申请公布号
US1948459(A)
申请公布日期
1934.02.20
申请号
US19270234676
申请日期
1927.11.21
申请人
SPECIAL EQUIPMENT COMPANY
发明人
EWALD MARK
分类号
A23N4/14
主分类号
A23N4/14
代理机构
代理人
主权项
地址
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