Description
Set of 3 gratings 100, 300 and 600 lines/mm mounted on
a single slide 90 x 30mm with three 16 x 19mm apertures.
SP4-1712
Set of 3 gratings 100, 300 and 600 lines/mm mounted on
a single slide 90 x 30mm with three 16 x 19mm apertures.
SP4-1712
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