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1.发明授权Composite floor structure and reinforcing, aligning and mortar gaging mat assembly therefor 失效复合地板结构和增强，对中和砂浆计量垫组件
公开(公告)号：US3148482A
公开(公告)日：1964-09-15
申请号：US76749758
申请日：1958-10-14
Applicant: NEALE JOHN D
Inventor： NEALE JOHN D
CPC classification number: E04F15/02 , E01C5/003 , E01C2201/167
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