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经营范围
发明名称
BEOBACHTUNGSHANDGLAS.
摘要
申请公布号
DE1901557(U)
申请公布日期
1964.10.01
申请号
DE196400P2986U
申请日期
1964.02.26
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
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