PREN 4309 : 200P1被替代
AEROSPACE SERIES - NUTS, HEXAGON, SELF-LOCKING BY PLASTIC RING, NORMAL HEIGHT, NORMAL ACROSS FLATS, IN ALLOY STEEL, CADMIUM PLATED - CLASSIFICATION: 900 MPA (AT AMBIENT TEMPERATURE)/120 DEGREES C
出版：Aerospace & Defence Industries Association of Europe
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