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发明名称
Perfectionnements aux bobines
摘要
申请公布号
FR1298024(A)
申请公布日期
1962.07.06
申请号
FR19610867757
申请日期
1961.07.12
申请人
OPTICAL PRODUCTS LIMITED
发明人
IRONS ALBERT ALEXANDER
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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地址
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