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经营范围
发明名称
Improvements in or relating to motion picture cameras
摘要
申请公布号
GB450673(A)
申请公布日期
1936.07.20
申请号
GB19340030053
申请日期
1934.10.20
申请人
PERCY DOUGLAS BREWSTER
发明人
分类号
G03B33/00
主分类号
G03B33/00
代理机构
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