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经营范围
发明名称
ABSENCE TRANSFER SYSTEM
摘要
申请公布号
JPH0563828(A)
申请公布日期
1993.03.12
申请号
JP19910225525
申请日期
1991.09.05
申请人
NEC ENG LTD
发明人
KOMATSUDAIRA SEIICHI
分类号
H04M3/42;H04M3/533;H04M3/54
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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