AREMA-621-1989.pdf
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1、 _._- - - AREA 622 89 0743668 0008974 432 l u- - - 2 JI- I I .I II - SEC YY Y HEEL AIXI TOE END OF MANGANESE STEEL FROG SECTION for flangeways wider than 2“ inmase width of manganese body rcOniingly. In either casc. the toe length and the distana h m the h g point to W. Fillm betmen heel and Wing ra
2、ils shall be of rolled stcel. pa Plan Basic No. 325. Toe and kl filla blocks to k of cast iron. (a) Without wing wheel risas. omit Wing w k l risas and m w n of point and depms h g point as -bed on Plan Basic No. 6009. end of manganese uctl guard on wiag shail t e constant. LALTERNATE. To be hunishe
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- AREMA 621 1989
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