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发明名称
Telephone line use enablement of lottery participation
摘要
A lottery is provided, requiring participants to use a telephone company's line, or line segments.
申请公布号
US7103160(B2)
申请公布日期
2006.09.05
申请号
US20050150444
申请日期
2005.06.09
申请人
HAEFLIGER WILLIAM W
发明人
HAEFLIGER WILLIAM W.
分类号
H04M11/00;H04L12/28
主分类号
H04M11/00
代理机构
代理人
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地址
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