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发明名称
ALBENBLATT, INSBESONDERE FUER FOTOGRAFIEN.
摘要
申请公布号
DE1953620(U)
申请公布日期
1967.01.19
申请号
DE196600SC548U
申请日期
1966.11.26
申请人
WILHELM SCHORN
发明人
WILHELM SCHORN
分类号
主分类号
代理机构
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