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发明名称
TELEPHONE CALL TONE GENERATOR
摘要
申请公布号
JPH04185037(A)
申请公布日期
1992.07.01
申请号
JP19900315127
申请日期
1990.11.20
申请人
TOSHIBA CORP;TOUSHIBA KOMIYUNIKEESHIYON TEKUNOROJI KK
发明人
YAMATANI MITSUHIRO
分类号
H04M1/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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