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发明名称
Irrigation gate wall
摘要
申请公布号
US3090202(A)
申请公布日期
1963.05.21
申请号
US19600005265
申请日期
1960.01.28
申请人
SPICKARD LAWRENCE J
发明人
SPICKARD LAWRENCE J.
分类号
E02B13/02
主分类号
E02B13/02
代理机构
代理人
主权项
地址
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