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146
147
A
B
148
B
149
a b
a
ab
150
a b
151
152
cm
cm m
m
153
cmcm
cm
cm
mm
m
154
155
156
JIS A
JIS A
JGScm
m
Dk cm s
JIS A
JIS Acm
m
D
D JIS A A B
D
157