公开/公告号US4139862A
专利类型
公开/公告日1979-02-13
原文格式PDF
申请/专利权人 FROSCH;ROBERT A. ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION WITH RESPECT TO AN INVENTION OF;HASKELL;RICHARD E.;
申请/专利号US19770831631
发明设计人 ROBERT A. ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION WITH RESPECT TO AN INVENTION OF FROSCH;RICHARD E. HASKELL;
申请日1977-09-08
分类号H04N9/535;
国家 US
入库时间 2022-08-22 19:20:24