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发明名称
Improvements in or relating to telephone desk sets
摘要
申请公布号
GB462989(A)
申请公布日期
1937.03.19
申请号
GB19350026764
申请日期
1935.09.27
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04M1/02;H04M1/11
主分类号
H04M1/02
代理机构
代理人
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地址
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