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发明名称
DIRECT DIAL-IN PROCESSING METHOD FOR PBX
摘要
申请公布号
JPH04200090(A)
申请公布日期
1992.07.21
申请号
JP19900333866
申请日期
1990.11.29
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
NAKAMURA YUJI
分类号
H04M3/42;H04Q3/58;H04Q3/62;H04Q11/04
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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