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经营范围
发明名称
Film marking apparatus
摘要
申请公布号
US1859091(A)
申请公布日期
1932.05.17
申请号
US19290394128
申请日期
1929.09.20
申请人
GENERAL ELECTRIC COMPANY
发明人
HOXIE CHARLES A.
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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