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发明名称
Telephone dialing mechanism
摘要
申请公布号
US3069509(A)
申请公布日期
1962.12.18
申请号
US19600007199
申请日期
1960.02.08
申请人
SHERRON PERCIVAL H
发明人
SHERRON PERCIVAL H.
分类号
H04M1/22
主分类号
H04M1/22
代理机构
代理人
主权项
地址
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