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发明名称
OIL EXTRACTING DEVICE
摘要
申请公布号
CA340891(A)
申请公布日期
1934.04.17
申请号
CAD340891
申请日期
申请人
ARTHUR STRANDELL
发明人
ARTHUR STRANDELL
分类号
主分类号
代理机构
代理人
主权项
地址
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