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经营范围
发明名称
Improvements in automatic photographic machines
摘要
申请公布号
GB363508(A)
申请公布日期
1931.12.24
申请号
GB19300038047
申请日期
1930.12.17
申请人
PHOTOGRAPHIC WEIGHING MACHINES LIMITED;DAVID SAMUEL BURLEIGH
发明人
分类号
G03B17/53
主分类号
G03B17/53
代理机构
代理人
主权项
地址
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