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经营范围
发明名称
DIGITAL PUBLIC TELEPHONE SYSTEM
摘要
申请公布号
JPH01166652(A)
申请公布日期
1989.06.30
申请号
JP19870323651
申请日期
1987.12.23
申请人
TAMURA ELECTRIC WORKS LTD
发明人
KINOSHITA TOSHIJI;HIDAKA KENICHI;MASUDA HIDEKAZU
分类号
H04M1/00;H04M1/253;H04M17/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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