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发明名称
Zentralverschluss fuer photographische Objektive
摘要
申请公布号
DE643217(C)
申请公布日期
1937.03.31
申请号
DE1935V031831D
申请日期
1935.05.15
申请人
VOIGTLAENDER & SOHN AKT.-GES.
发明人
BARENYI ARPAD
分类号
G03B9/22
主分类号
G03B9/22
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代理人
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