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发明名称
FIELD MAT
摘要
申请公布号
CA422403(A)
申请公布日期
1944.09.05
申请号
CAD422403
申请日期
申请人
OSCAR F. ARTHUR
发明人
OSCAR F. ARTHUR
分类号
主分类号
代理机构
代理人
主权项
地址
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