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发明名称
DEVICE FOR MANUALLY CONNECTING TELEPHONE WITH DIFFERENT CHANNEL LINE
摘要
申请公布号
JPS5469306(A)
申请公布日期
1979.06.04
申请号
JP19770136208
申请日期
1977.11.15
申请人
SHIBATA MAKOTO
发明人
SHIBATA MAKOTO
分类号
H04M1/00;H04M1/738
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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