1. 
   space division
   a technique whereby a separate individual transmission path is used for each transmission channel, for example in multiplexing, switching or multiple access operations
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=701-03-12
   
   
2. 
   space division
   a technique whereby a separate individual transmission path is used for each transmission channel for example in multiplexing, switching or multiple access operations
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=714-01-15
   
   

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