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经营范围
发明名称
Trekker-netwerk.
摘要
申请公布号
BE573568(A2)
申请公布日期
1959.06.04
申请号
BE19580573568
申请日期
1958.12.04
申请人
BELL TELEPHONE MANUFACTURING COMPANY
发明人
R.T. SCHULTZ;J.F. SULLIVAN
分类号
H03K3/284;(IPC1-7):H03K
主分类号
H03K3/284
代理机构
代理人
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地址
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