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发明名称
Compuerta para canales de riego.
摘要
申请公布号
ES4816(Y)
申请公布日期
1942.09.16
申请号
ES19160000048U
申请日期
1936.06.06
申请人
MARAWITZ, EDGAR DE
发明人
分类号
主分类号
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