CN219754556U - 一种煤矿防冲击保护支架 - Google Patents
一种煤矿防冲击保护支架 Download PDFInfo
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- CN219754556U CN219754556U CN202320682209.5U CN202320682209U CN219754556U CN 219754556 U CN219754556 U CN 219754556U CN 202320682209 U CN202320682209 U CN 202320682209U CN 219754556 U CN219754556 U CN 219754556U
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- 239000003245 coal Substances 0.000 claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000002633 protecting effect Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Application Number | Priority Date | Filing Date | Title |
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CN202320682209.5U CN219754556U (zh) | 2023-03-31 | 2023-03-31 | 一种煤矿防冲击保护支架 |
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CN202320682209.5U CN219754556U (zh) | 2023-03-31 | 2023-03-31 | 一种煤矿防冲击保护支架 |
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CN219754556U true CN219754556U (zh) | 2023-09-26 |
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Effective date of registration: 20240508 Address after: 710299 8th Floor, No. 7, Middle Section of Jingpu Road, Jingwei New City, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Xi'an Heavy equipment supporting technical service Co.,Ltd. Country or region after: China Address before: 276110 Shatun Zhubai coal mine, Lizhuang Town, Tancheng County, Linyi City, Shandong Province Patentee before: SHANDONG DONGSHAN MINING Co.,Ltd. ZHU BAI COAL MINING Country or region before: China |