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经营范围
发明名称
Projection apparatus
摘要
申请公布号
GB443819(A)
申请公布日期
1936.03.06
申请号
GB19350019224
申请日期
1935.07.05
申请人
BAUSCH & LOMB OPTICAL CO.
发明人
分类号
G02B21/00
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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