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发明名称
RUECKWICKELSPERRE FUER FOTOGRAFISCHE KAMERAS
摘要
申请公布号
DE7223646(U)
申请公布日期
1972.12.07
申请号
DE19720023646U
申请日期
1972.06.24
申请人
CERTO CAMERA-WERK VON DER GOENNA & SOEHNE
发明人
分类号
G03B17/00;(IPC1-7):G03B17/00
主分类号
G03B17/00
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代理人
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