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发明名称
TELEPHONE DISABLING DEVICE
摘要
申请公布号
US4081630(A)
申请公布日期
1978.03.28
申请号
US19770759431
申请日期
1977.01.14
申请人
WASHBURN, JOSEPH W.;ASHTON, THOMAS A.
发明人
WASHBURN, JOSEPH W.;ASHTON, THOMAS A.
分类号
H04M1/667;(IPC1-7):H04M1/66
主分类号
H04M1/667
代理机构
代理人
主权项
地址
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