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经营范围
发明名称
DIGITAL TELEPHONE SYSTEM
摘要
申请公布号
JPH01165249(A)
申请公布日期
1989.06.29
申请号
JP19870322982
申请日期
1987.12.22
申请人
TAMURA ELECTRIC WORKS LTD
发明人
KINOSHITA TOSHIJI;MASUDA HIDEKAZU;OSHIMA YASUHISA
分类号
H04M1/00;H04M1/253
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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