
31. i te center band (CBH) to te base U
cannel (B1H) and door colmn (CA) it
(1) scres. See fi.12. i te (EP) at te
end of (CB1H) (CBH). See fi.3.
1H
H
H
1H
H
1
1
Fig.1
Fig.2
Fig.3
H
1H
23
1