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HELP_VARIABLE
CNSORDERNO
Order number
STD
Standard
mm
NDMM
Nominal Size
mm
NDINCH
Nominal Size
Inch
MD
d
mm
D
mm
C
mm
N
n
4 mm
H
h
mm
D2
mm
D3
mm
L
mm
T
t
mm
HH
H
mm
H1
mm
A3
mm
S
mm
S1
mm
S2
mm
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