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发明名称
Identification des différents postes de systèmes de télécommunication
摘要
申请公布号
FR940994(A)
申请公布日期
1948.12.29
申请号
FRD940994
申请日期
1947.01.08
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
BRAY FREDERICK HARRY;BROOKS LESLIE JAMES;HARTLEY GEORGE CLIFFORD;LOWRY LEONARD POWELL
分类号
H04M15/08
主分类号
H04M15/08
代理机构
代理人
主权项
地址
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