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经营范围
发明名称
Aging conveyor
摘要
申请公布号
US2773731(A)
申请公布日期
1956.12.11
申请号
US19520320004
申请日期
1952.11.12
申请人
COLUMBIA BROADCASTING SYSTEM, INC.
发明人
CHICK RUSSELL W.;SILVA JOHN C.
分类号
H01J9/04;H01J9/44
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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