CN109880022B - 一种高适应性聚羧酸减水剂及其合成方法 - Google Patents
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Effective date of registration: 20221118 Address after: Room 801, 85 Kefeng Road, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Yami Technology (Guangzhou) Co.,Ltd. Address before: 467000 Henan province Pingdingshan city new city Longxiang Road Patentee before: Henan University of Urban Construction Effective date of registration: 20221118 Address after: No. 999, Correction Road, West District, Changchun Nong'an Economic Development Zone, Helong Town, Nong'an County, Changchun City, 130000, Jilin Province Patentee after: Jilin Tianbao Building Materials Co.,Ltd. Address before: Room 801, 85 Kefeng Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Yami Technology (Guangzhou) Co.,Ltd. |