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发明名称
Earth electrode
摘要
申请公布号
US1783035(A)
申请公布日期
1930.11.25
申请号
US19280286045
申请日期
1928.06.16
申请人
BORDEN STEPHEN W
发明人
BORDEN STEPHEN W.
分类号
A01G7/04
主分类号
A01G7/04
代理机构
代理人
主权项
地址
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