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经营范围
发明名称
Tube base removing machine
摘要
申请公布号
US2478982(A)
申请公布日期
1949.08.16
申请号
US19480045818
申请日期
1948.08.24
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
RISHELL GEORGE L.
分类号
H01J9/50
主分类号
H01J9/50
代理机构
代理人
主权项
地址
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