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发明名称
AUTOMATIC EXCHANGE
摘要
申请公布号
JPH0391351(A)
申请公布日期
1991.04.16
申请号
JP19890228507
申请日期
1989.09.04
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
HASHIMOTO YUJI
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
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