发明名称 PROTECTIVE ENVELOPE FOR PHONOGRAPH RECORD
摘要 A protective envelope for phonograph records is disclosed which comprises a pair of electrostatically charged foamed synthetic polymer panels sealed together over less than their entire periphery and which protects the record and removes dust and dirt from the record as the record is removed therefrom.
申请公布号 US3774757(A) 申请公布日期 1973.11.27
申请号 USD3774757 申请日期 1971.09.29
申请人 HERS MANAGEMENT CORP,US 发明人 HARRIS S,US;BAZELMANS J,US
分类号 B65D85/57;(IPC1-7):B65D85/30 主分类号 B65D85/57
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