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经营范围
发明名称
AUTOMATIC CALLING DEVICE
摘要
申请公布号
JPH04317238(A)
申请公布日期
1992.11.09
申请号
JP19910112580
申请日期
1991.04.17
申请人
CANON INC
发明人
OBARA KEIJI
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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