| 摘要 |
PCT No. PCT/AU86/00153 Sec. 371 Date Jan. 28, 1987 Sec. 102(e) Date Jan. 28, 1987 PCT Filed May 29, 1986 PCT Pub. No. WO86/07170 PCT Pub. Date Dec. 4, 1986.Apparatus for use as a detection system in the production of portal radiographs in high energy radiography, comprising an assembly containing a metal screen (7), a fluorescent screen (8), and a high contrast photographic film (6). A method for production of portal radiographs using this apparatus is also disclosed.
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