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经营范围
发明名称
Stem making machine
摘要
申请公布号
US1846025(A)
申请公布日期
1932.02.23
申请号
US19250074681
申请日期
1925.12.11
申请人
C. E. MANUFACTURING CO.
发明人
COBY GEORGE;KAUER ERNEST
分类号
H01J9/32
主分类号
H01J9/32
代理机构
代理人
主权项
地址
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