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一种内掺级配颗粒物的粘液类封孔剂及其制备使用方法
- Release time:2020-10-30
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Affilication of Author(s):
安全工程学院Type of Patent:
发明State of Patent:
专利授权Application Number:
201811242598.XNumber of Inventors:
5Service Invention or Not:
noApplication Date:
2018-10-24Authorization Date:
2020-05-29
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