CN209980090U - 一种农田施肥给水农艺控制装置 - Google Patents
一种农田施肥给水农艺控制装置 Download PDFInfo
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Address after: 161400 rural economic and technical service center, huolongmen Township, Nenjiang County, Heihe City, Heilongjiang Province Co-patentee after: Zhu Jingyong Patentee after: Zhang Shubo Address before: 161400 rural economic and technological service center, huolongmen Township, Nenjiang County, Mudanjiang City, Heilongjiang Province Co-patentee before: Zhu Jingyong Patentee before: Zhang Shubo |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20200708 |
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CF01 | Termination of patent right due to non-payment of annual fee |