CN213839636U - 一种罐底球阀 - Google Patents
一种罐底球阀 Download PDFInfo
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- CN213839636U CN213839636U CN202021853484.1U CN202021853484U CN213839636U CN 213839636 U CN213839636 U CN 213839636U CN 202021853484 U CN202021853484 U CN 202021853484U CN 213839636 U CN213839636 U CN 213839636U
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CN202021853484.1U CN213839636U (zh) | 2020-08-31 | 2020-08-31 | 一种罐底球阀 |
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Inventor after: Zhang Kewen Inventor after: Huang Guangwen Inventor after: Xu Youcheng Inventor after: Yang Binbin Inventor after: Wang Tianze Inventor after: Gong Youbo Inventor before: Huang Guangwen Inventor before: Xu Youcheng Inventor before: Zhang Kewen Inventor before: Yang Binbin Inventor before: Wang Tianze Inventor before: Gong Youbo |