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发明名称
Telephone dialing device
摘要
申请公布号
US2929884(A)
申请公布日期
1960.03.22
申请号
US19570679035
申请日期
1957.08.19
申请人
VER-SA-PARTS MFG. CORP.
发明人
VERDESCA ANTHONY F.
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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