Patent-2019 A new type of multifunctional keyboard March 24, 2025 Posted by RDing 0 comments Continue reading
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Patent-2019 A switching device containing an articulated shaftless foot pedal type structure March 24, 2025 Posted by RDing 0 comments Continue reading
Patent-2019 Foot-operated switches (combination) March 24, 2025 Posted by RDing 0 comments Continue reading
Patent-2019 A multi-function probe thermometer March 24, 2025 Posted by RDing 0 comments Continue reading
