CN213888282U - 一种用于钢板表面加工的开孔装置 - Google Patents
一种用于钢板表面加工的开孔装置 Download PDFInfo
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- CN213888282U CN213888282U CN202022904967.6U CN202022904967U CN213888282U CN 213888282 U CN213888282 U CN 213888282U CN 202022904967 U CN202022904967 U CN 202022904967U CN 213888282 U CN213888282 U CN 213888282U
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- threaded rod
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hole-opening device for surface processing of steel plates Effective date of registration: 20220812 Granted publication date: 20210806 Pledgee: Bank of Weifang Limited by Share Ltd. Dongming branch Pledgor: Shandong Derui Mining Machinery Co.,Ltd. Registration number: Y2022980012506 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230818 Granted publication date: 20210806 Pledgee: Bank of Weifang Limited by Share Ltd. Dongming branch Pledgor: Shandong Derui Mining Machinery Co.,Ltd. Registration number: Y2022980012506 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |