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公开(公告)号：US11939729B2
公开(公告)日：2024-03-26
申请号：US17293314
申请日：2019-11-13
Applicant: Imperial College Innovations Limited
Inventor： Alalea Kia , Hong S. Wong , Christopher R. Cheeseman
CPC classification number: E01C11/225 , E01C5/065 , E01C2201/20
Abstract: Method of forming a cement-based material pad (3) comprising a plurality of drainage holes and forms for use in such a method.
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