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经营范围
发明名称
Cinematograph apparatus
摘要
申请公布号
US2029871(A)
申请公布日期
1936.02.04
申请号
US19340751978
申请日期
1934.11.08
申请人
PERCY JOHNSON ARTHUR
发明人
JOHNSON ARTHUR PERCY
分类号
G03B21/16
主分类号
G03B21/16
代理机构
代理人
主权项
地址
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