sigh007 发表于 2012-3-29 11:52:21

MIL-S-7852B


                   MIL-S-7852B, MILITARY SPECIFICATION: SEAT, AIRCREW, ADJUSTABLE, SWIVEL, TYPE E-1 (01 APR 1968)., This specification establishes the requirements for standard, adjustable, swivel seats for use by crew members other than pilot and copilot.         
         
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