CN210741989U - 一种混凝土回弹仪 - Google Patents
一种混凝土回弹仪 Download PDFInfo
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- CN210741989U CN210741989U CN201921249887.2U CN201921249887U CN210741989U CN 210741989 U CN210741989 U CN 210741989U CN 201921249887 U CN201921249887 U CN 201921249887U CN 210741989 U CN210741989 U CN 210741989U
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CN201921249887.2U CN210741989U (zh) | 2019-08-05 | 2019-08-05 | 一种混凝土回弹仪 |
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Address after: 265100 middle section of Wenzhou street, Haiyang Economic Development Zone, Yantai City, Shandong Province Patentee after: Hechu Building Materials Group Co.,Ltd. Address before: 264000 middle section of Wenzhou street, Haiyang Economic Development Zone, Yantai City, Shandong Province Patentee before: Yantai tianchu building materials Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A concrete rebound instrument Effective date of registration: 20230403 Granted publication date: 20200612 Pledgee: Shandong Haiyang Rural Commercial Bank Co.,Ltd. Pledgor: Hechu Building Materials Group Co.,Ltd. Registration number: Y2023980037107 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |