Search Results for: Electro cardiographs
january , , gray died from a heart attack in newtonville, massachusetts . some modern authors [ ] [ ] [ ] incorrectly [ ] attribute the gray code to elisha gray, whereas it was actually named after frank gray . gray's publications[ edit ] gray wrote several books including: experimental researches in electro-harmonic
of electronic music' gray's patents[ edit ] patent images in tiff format u.s. patent electric telegraph for transmitting musical tones, filed jan , , issued july , u.s. patent improvement in electric telegraph for transmitting musical tones, issued july , u.s. patent automatic circuit-breakers for electro-harmonic...
https://en.wikipedia.org/wiki/Elisha_Gray
transportation businesses ( ) transport businesses (railway, road, water, and air transport, freight business, cargo handling, etc.) ( ) warehouses ( ) harbor transportation, cargo handling, provision of transport facilities ( ) other transport related service businesses ( ) communications businesses ( ) electro-communications
industry ( ) electro-communications related service businesses ( ) wholesale and retail businesses ( ) wholesale and retail businesses ( ) trading businesses ( ) trading businesses ( ) information processing (hardware, software, system engineering,etc.) ( ) information processing and research businesses...
https://www.jetro.go.jp/ttppoas/index.html
transportation businesses ( ) transport businesses (railway, road, water, and air transport, freight business, cargo handling, etc.) ( ) warehouses ( ) harbor transportation, cargo handling, provision of transport facilities ( ) other transport related service businesses ( ) communications businesses ( ) electro-communications
industry ( ) electro-communications related service businesses ( ) wholesale and retail businesses ( ) wholesale and retail businesses ( ) trading businesses ( ) trading businesses ( ) information processing (hardware, software, system engineering,etc.) ( ) information processing and research businesses...
https://www.jetro.go.jp/ttppoas/index.html