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发明名称
Plow point
摘要
申请公布号
US1787366(A)
申请公布日期
1930.12.30
申请号
US19280325948
申请日期
1928.12.14
申请人
FRANKLIN ELI WEAVER
发明人
FOUNTAIN LEE COY
分类号
A01B15/02
主分类号
A01B15/02
代理机构
代理人
主权项
地址
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