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经营范围
发明名称
TIEFENSCHAERFENRING.
摘要
申请公布号
DE1781671(U)
申请公布日期
1959.01.22
申请号
DE195800O4571U
申请日期
1958.08.27
申请人
OPTISCHE WERKE G. RODENTSTOCK
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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