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3/4

48 890

C15

C14

B33 / B28 

43

10

A9

A10

40

41

52

49

PE4

1

2

A10

A9

49

40

41

step 1

24

25

27

26

step 2

28

29

32

34

step 3

14a

14b

B6

28 (29)

14a (14b)

24 (25)

27 (26)

cross-section

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