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STO
STO
ScnAdmin
Staff Training Officer
.
(
HCO PL
21
Sept
69)
STO
ScnBasic
Staff Training Officer
.
STO
ScnTech
a
Staff Training Officer
(STO) is the head of the
staff
training
section
of the
Qualifications Division
.
(
HCO PL
21
Sept
69)