RRRRRRRRR RRRR RRR8R lREzR aR RR RR2 aRjH611 ETR2 Z ERC1188 6v1 1 1R83 R 1 1 8808 11 R R having LH helical teeth R 48 53 R RR RRRRR RR RRRRR
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rRRR 239RR rR 22 11 H RHE1 CET 2 EFElKREEeR 11i 11fRe8f11 8Y1 11t8611 1 I 48 8808 11 R R R having RH helical teeth R R R 1 1111 1 11 1111 8763 R RRRRRRRRR ... RRRRRRRRR RRRR RRR8R lREzR aR RR RR2 aRjH611 ETR2 Z ERC1188 6v1 1 1R83 R 1 1 8808 11 R R having LH helical teeth R 48 53 R RR RRRRR RR RRRRR |