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发明名称
BEREITSCHAFTSTASCHE FUER PHOTOGRAPHISCHE UND OPTISCHE GERAETE.
摘要
申请公布号
DE1712167(U)
申请公布日期
1955.12.01
申请号
DE195300Z2403U
申请日期
1953.11.10
申请人
HELMUT ZIMMERMANN
发明人
HELMUT ZIMMERMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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