????? ????? ?????? ???? ?????? Ambalamugal ?????-682302 ?????
??? ???????: ????? ????? ?????? ???? ?????? Ambalamugal ?????-682302? ????? ??????: ???????? SMLS ?? ASTM A333 GR.6 ,A335 P22, P5,P9; A312 TP304H,TP347,A790 UNS 32205/S31803 DUAL, A358 TP...
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