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MUZZLE DEVICES FOR RESHAPING GUN BLAST FIELDS:AN EXPERIMENTAL PARAMETER STUDY 封面
MUZZLE DEVICES FOR RESHAPIN...

作者：L.L.PATER
USE OF FOAM TO REDUCE GUN BLAST NOISE LEVELS 封面
USE OF FOAM TO REDUCE GUN B...

作者：L.L.PATER J.W.SHEA
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