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经营范围
发明名称
TELEPHONE EXCHANGE
摘要
申请公布号
JPH01289356(A)
申请公布日期
1989.11.21
申请号
JP19880119557
申请日期
1988.05.17
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
NISHIMURA TAKAYUKI
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
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