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CPC COOPERATIVE PATENT CLASSIFICATION G …
www.cooperativepatentclassification.orgG02B CPC COOPERATIVE PATENT CLASSIFICATION G PHYSICS (NOTES omitted) INSTRUMENTS G02 OPTICS (making optical elements or apparatus B24B, B29D 11/00, C03, or other appropriate
CPC COOPERATIVE PATENT CLASSIFICATION G …
www.cooperativepatentclassification.orgG06F 1/14 .Time supervision arrangements, e.g. real time clock 1/16 . Constructional details or arrangements 1/1601 . {Constructional details related to the housing