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经营范围
发明名称
BELICHTUNGS- UND ENTWICKLUNGSGERAET.
摘要
申请公布号
DE1742290(U)
申请公布日期
1957.03.28
申请号
DE195400H4894U
申请日期
1954.05.06
申请人
ENGELHARD INDUSTRIES LIMITED
发明人
分类号
G03B27/30
主分类号
G03B27/30
代理机构
代理人
主权项
地址
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