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发明名称
LINE CHANGEOVER SYSTEM
摘要
申请公布号
JPH02285762(A)
申请公布日期
1990.11.26
申请号
JP19890107070
申请日期
1989.04.26
申请人
RICOH CO LTD
发明人
HASHIMOTO MASAO
分类号
H04M11/00;H04L12/02
主分类号
H04M11/00
代理机构
代理人
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