CN103274628B - 一种利用废旧pet塑料生产减水剂的方法 - Google Patents
一种利用废旧pet塑料生产减水剂的方法 Download PDFInfo
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Inventor after: Xu Ruiqi Inventor after: Shi Chenming Inventor before: Xu Ruiqi |
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Owner name: SHANXI KAIDI BUILDING MATERIALS CO., LTD. Free format text: FORMER OWNER: ZIBO ZHENGBANG INTELLECTUAL PROPERTY CO., LTD. Effective date: 20150519 |
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Effective date of registration: 20150519 Address after: 044200 Shanxi city of Yuncheng province Wanrong County River Chemical Industrial Park (East Ring Road No. 1) Patentee after: Shanxi Kaidi Building Materials Co., Ltd. Address before: 255000 Shandong city of Zibo province high tech Zone Willow Road No. 105 new Century Square block C eleven room 1112 Patentee before: Zibo Zhengbang Intellectual Property Co., Ltd. |