CN214600546U - 一种双螺杆泵机带齿轮泵润滑结构 - Google Patents
一种双螺杆泵机带齿轮泵润滑结构 Download PDFInfo
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lubricating structure of twin screw pump with gear pump Effective date of registration: 20220927 Granted publication date: 20211105 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. Pledgor: Weipengsheng (Shandong) Machinery Co.,Ltd. Registration number: Y2022980016696 |
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Date of cancellation: 20230824 Granted publication date: 20211105 Pledgee: Shandong Wendeng Rural Commercial Bank Co.,Ltd. Pledgor: Weipengsheng (Shandong) Machinery Co.,Ltd. Registration number: Y2022980016696 |
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