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Inventor
KWON HYUK-HOON
KR
2 patents
Patents
2 patents
US8032121B2
Oct 4, 2011
System and method for transferring voice messages
SK TELECOM CO LTD
11 citations
81
US8032120B2
Oct 4, 2011
Voice message transmission system, transmission result notification system, and methods thereof
SK TELECOM CO LTD
1 citations
46