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1.发明授权Process for the preparation of polyacrolein gels and process for improving the properties and sealing of soils, soil formations, structures, structural elements and structural materials 失效用于制备聚丙烯醛凝胶的方法和改进土壤，土壤结构，结构，结构元素和结构材料的性质和密封的方法
公开(公告)号：US3397172A
公开(公告)日：1968-08-13
申请号：US34509464
申请日：1964-02-17
Applicant: DEGUSSA
Inventor： ALFONS SCHULER WILHELM , ERICH BADER , KARL-HEINZ RINK , WOLFGANG WEIGERT
IPC: C09K17/24
CPC classification number: C09K17/24
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