Sun-bathers reflector device

作者: David Clough Ketner

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参考文章(6)
Julius W Tumavicus, Reflector for space vehicle ,(1960)
John L Carlson, Doris E Eckley, William K Johnston, Gas seal for furnaces ,(1965)
Friedberg Samuel, Sun-reflecting collar ,(1952)
Gerald A Besnah, Protective and reflective device ,(1956)