CN210827894U - 一种环保吸音板 - Google Patents
一种环保吸音板 Download PDFInfo
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- CN210827894U CN210827894U CN201921420420.XU CN201921420420U CN210827894U CN 210827894 U CN210827894 U CN 210827894U CN 201921420420 U CN201921420420 U CN 201921420420U CN 210827894 U CN210827894 U CN 210827894U
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CN201921420420.XU CN210827894U (zh) | 2019-08-29 | 2019-08-29 | 一种环保吸音板 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 271500 north of middle section of Daoxiang street, Dongping County, Tai'an City, Shandong Province Patentee after: Tai'an Fanghong new energy Co.,Ltd. Address before: 271500 north of middle section of Daoxiang street, Dongping County, Tai'an City, Shandong Province Patentee before: Taian Fanghong heating Co.,Ltd. |
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CP03 | Change of name, title or address | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinan Fanghong Heating Co.,Ltd. Assignor: Tai'an Fanghong new energy Co.,Ltd. Contract record no.: X2022980022074 Denomination of utility model: An environment-friendly sound-absorbing board Granted publication date: 20200623 License type: Common License Record date: 20221117 |
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EE01 | Entry into force of recordation of patent licensing contract |