CN213211414U - 一种便于携带的教具箱 - Google Patents
一种便于携带的教具箱 Download PDFInfo
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Effective date of registration: 20220324 Address after: No.136 Huayuan Road, Jinshui District, Zhengzhou City, Henan Province 450011 Patentee after: HENAN VOCATIONAL College OF WATER CONSERVANCY AND ENVIRONMENT Address before: No.136 Huayuan Road, Jinshui District, Zhengzhou City, Henan Province 450011 Patentee before: HENAN VOCATIONAL College OF WATER CONSERVANCY AND ENVIRONMENT Patentee before: Guo Ge Patentee before: Zhang Qinghui Patentee before: Zhang Jing |
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