CN202380443U - 一种坝体土工膜后排水结构件 - Google Patents
一种坝体土工膜后排水结构件 Download PDFInfo
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- CN202380443U CN202380443U CN2011205283761U CN201120528376U CN202380443U CN 202380443 U CN202380443 U CN 202380443U CN 2011205283761 U CN2011205283761 U CN 2011205283761U CN 201120528376 U CN201120528376 U CN 201120528376U CN 202380443 U CN202380443 U CN 202380443U
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CN2011205283761U CN202380443U (zh) | 2011-12-16 | 2011-12-16 | 一种坝体土工膜后排水结构件 |
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CN2011205283761U CN202380443U (zh) | 2011-12-16 | 2011-12-16 | 一种坝体土工膜后排水结构件 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104389298A (zh) * | 2014-11-11 | 2015-03-04 | 广东省水利水电科学研究院 | 适用于土工膜防渗的膜后排水装置及方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104389298A (zh) * | 2014-11-11 | 2015-03-04 | 广东省水利水电科学研究院 | 适用于土工膜防渗的膜后排水装置及方法 |
CN104389298B (zh) * | 2014-11-11 | 2016-05-25 | 广东省水利水电科学研究院 | 适用于土工膜防渗的膜后排水装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHENZHEN VICOUIK ENGINEERING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG HONGPENG Effective date: 20131107 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131107 Address after: The streets of Buji Gan Li Industrial Park of Longgang District, Shenzhen City, Guangdong province 518000 Gan Li six road No. 12 Hisense Science Park building third, 404 Patentee after: SHENZHEN WEITE ENGINEERING TECHNOLOGY CO., LTD. Address before: 518000 Nanshan District, Guangdong Province, Yuan court D-201 Patentee before: Wang Hongpeng |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: The streets of Buji Gan Li Industrial Park of Longgang District, Shenzhen City, Guangdong province 518000 Gan Li six road No. 12 Hisense Science Park building third, 404 Patentee after: Shenzhen city Wei special environmental Polytron Technologies Inc Address before: The streets of Buji Gan Li Industrial Park of Longgang District, Shenzhen City, Guangdong province 518000 Gan Li six road No. 12 Hisense Science Park building third, 404 Patentee before: SHENZHEN WEITE ENGINEERING TECHNOLOGY CO., LTD. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120815 |