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发明名称
AUTOMATIC DUPLEX SWITCHING CONTROL SYSTEM
摘要
申请公布号
JPH03222525(A)
申请公布日期
1991.10.01
申请号
JP19900015974
申请日期
1990.01.29
申请人
FUJITSU LTD
发明人
YAMAMOTO HIROAKI
分类号
H04B1/74
主分类号
H04B1/74
代理机构
代理人
主权项
地址
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