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发明名称
WEED SEED STERILIZERS
摘要
申请公布号
CA476166(A)
申请公布日期
1951.08.14
申请号
CAD476166
申请日期
申请人
NORMAN ANGUS MAC-EACHERN
发明人
TRYGVE TORSTENSEN
分类号
主分类号
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