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发明名称
Fresno
摘要
申请公布号
US1861762(A)
申请公布日期
1932.06.07
申请号
US19300476627
申请日期
1930.08.20
申请人
TERHAAR ALOYSIUS S
发明人
TERHAAR ALOYSIUS S.
分类号
E02F3/64
主分类号
E02F3/64
代理机构
代理人
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