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Class Information
Number: 356/912
Name: Optics: measuring and testing > Measuring angles (go1c 1/00)

Sub-classes under this class:

Class Number Class Name Patents
356/915 Sextants (go1c 1/08) 0
356/913 Theodolites (go1c 1/02) 0

Patents under this class:

Patent Number Title Of Patent Date Issued
6691437 Laser reference system for excavating machine Feb. 17, 2004

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