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发明名称
COMMUNICATION SYSTEM EQUIPMENT
摘要
申请公布号
JPH03128557(A)
申请公布日期
1991.05.31
申请号
JP19890267639
申请日期
1989.10.13
申请人
CANON INC
发明人
NAKANO HIROTSUGU
分类号
H04M1/274;H04M1/2745;H04M1/275
主分类号
H04M1/274
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代理人
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