CN217872903U - 一种用于煤矿通风安全的除尘过滤装置 - Google Patents
一种用于煤矿通风安全的除尘过滤装置 Download PDFInfo
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- CN217872903U CN217872903U CN202220099318.XU CN202220099318U CN217872903U CN 217872903 U CN217872903 U CN 217872903U CN 202220099318 U CN202220099318 U CN 202220099318U CN 217872903 U CN217872903 U CN 217872903U
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Feng Dianzhang Inventor after: Hu Xiao Inventor after: Huang Zhongyi Inventor after: Li Shuai Inventor before: Li Shuai |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: 110179 Shenying Road 7-2, Hunnan District, Shenyang City, Liaoning Province Patentee after: Feng Dianzhang Country or region after: China Address before: No. 8858, Shuiquan Group, South Street, Sanjijiazi Town, Lingyuan City, Chaoyang City, Liaoning Province 122,500 Patentee before: Li Shuai Country or region before: China |