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发明名称
Motion-picture-projecting machine
摘要
申请公布号
US1749140(A)
申请公布日期
1930.03.04
申请号
US19250076607
申请日期
1925.12.21
申请人
KILLMAN THOMAS A
发明人
KILLMAN THOMAS A.
分类号
G03B41/10
主分类号
G03B41/10
代理机构
代理人
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地址
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