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发明名称
Means for operating delvers
摘要
申请公布号
US2840929(A)
申请公布日期
1958.07.01
申请号
US19550489167
申请日期
1955.02.18
申请人
BRIAN FARLEY
发明人
FARLEY BRIAN
分类号
E02F3/815
主分类号
E02F3/815
代理机构
代理人
主权项
地址
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