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The
following marks are stamped plainly and permantly on the shoulder
of each cylinder
O2 : Name of Gas
RG :
Manufacturer's Identification Mark
1234 : Serial Number
㉿
: Korean Standard Mark
9-87 : Date of Test (Sep. 1987)
V40.2
: Volumetric Water Capacity of Cylinder (liter)
W47.0 : Tare
Weight of Cylinder w/o Valve & cap
TP 250 : Test Pressure
of Cylinder (in kg/cm2)
FP 150 : Filling Pressure
of Cylinder (in kg/cm2)
DOT3AA
: Cylinder Specification
2265 : Service Pressure (in psi)
1234
: Serial Number
RIGAS : Inspectors, Official Mark
RG : Manufacturer's
Identification Mark
9-87 : Date of Test (Sep. 1987)
SPUN :
Manufacturing Method
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