26.51.3: Precision balances; instruments for drawing, calculating, measuring length and the like
C
26
26.5
26.51
Children
26.51.31: Balances of a sensitivity of 5 cg or better
26.51.32: Drafting tables and machines and other drawing, marking-out or mathematical calculating instruments
26.51.33: Instruments for measuring length, for use in the hand (including micrometers and callipers) n.e.c.
Corresponds to
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Translates to: