GPTKB
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commercialLaunch
URI:
https://gptkb.org/prop/commercialLaunch
3
triples
GPTKB property
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Subject
Object
gptkb:Development_of_Picturephone
1970
gptkb:3G_wireless_communication
gptkb:Japan
gptkb:Time_Division_Synchronous_Code_Division_Multiple_Access
2009