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发明名称
SYSTEM FOR CONTROLLING EXCLUSION OF DUPLICATE ASSIGNMENT IN KEY OF ISDN TELEPHONE SET
摘要
申请公布号
JPH03254261(A)
申请公布日期
1991.11.13
申请号
JP19900051309
申请日期
1990.03.02
申请人
FUJITSU LTD
发明人
SAKUMA HIDEAKI
分类号
H04M3/42;H04M1/00;H04M1/253
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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