CN214460963U - 一种市政工程用污水排水管道 - Google Patents
一种市政工程用污水排水管道 Download PDFInfo
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- CN214460963U CN214460963U CN202023132139.1U CN202023132139U CN214460963U CN 214460963 U CN214460963 U CN 214460963U CN 202023132139 U CN202023132139 U CN 202023132139U CN 214460963 U CN214460963 U CN 214460963U
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- 239000010865 sewage Substances 0.000 title claims abstract description 68
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 16
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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CB03 | Change of inventor or designer information |
Inventor after: Zhu Yaowei Inventor after: Liu Junwei Inventor after: Yan Beibei Inventor before: Liu Junwei Inventor before: Yan Beibei |
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CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231128 Address after: 4th Floor, No. 968 Baoyang Road, Baoshan District, Shanghai, 201908 Patentee after: Shanghai Baojian (Group) Co.,Ltd. Address before: 054001 No. 253, Xishawo village, Huining Town, Xingtai County, Xingtai City, Hebei Province Patentee before: Liu Junwei |
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TR01 | Transfer of patent right |