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发明名称
Five-lens photographic objective comprising three members separated by air spaces
摘要
申请公布号
US2645156(A)
申请公布日期
1953.07.14
申请号
US19500184455
申请日期
1950.09.12
申请人
VOIGTLANDER & SOHN AKTIENGESELLSCHAFT
发明人
TRONNIER ALBRECHT WILHELM
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
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地址
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