CN214372061U - 一种高性能电子雷管及其防击穿引爆结构 - Google Patents
一种高性能电子雷管及其防击穿引爆结构 Download PDFInfo
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GR01 | Patent grant | ||
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongguancun Technology Leasing Co.,Ltd. Assignor: BEIJING XINGBANG DIGITAL TECHNOLOGY CO.,LTD. Contract record no.: X2023980036802 Denomination of utility model: A high-performance electronic detonator and its anti breakdown and detonation structure Granted publication date: 20211008 License type: Exclusive License Record date: 20230619 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-performance electronic detonator and its anti breakdown and detonation structure Effective date of registration: 20230620 Granted publication date: 20211008 Pledgee: Zhongguancun Technology Leasing Co.,Ltd. Pledgor: BEIJING XINGBANG DIGITAL TECHNOLOGY CO.,LTD. Registration number: Y2023980045003 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |