CN215334707U - 一种可滤杂质的针型阀 - Google Patents
一种可滤杂质的针型阀 Download PDFInfo
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Inventor after: Zhang Chengzhong Inventor after: Zhang Yi Inventor after: Ni Junrui Inventor after: Zhang Jian Inventor before: Zhang Chengzhong Inventor before: Wang Jinfu Inventor before: Jiang Wanjun Inventor before: Zhang Yi Inventor before: Li Min Inventor before: Ni Junrui Inventor before: Zhang Jian |
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CB03 | Change of inventor or designer information |