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发明名称
Improvements in or relating to the shaping of lens preforms
摘要
申请公布号
GB872811(A)
申请公布日期
1961.07.12
申请号
GB19570000851
申请日期
1957.01.09
申请人
COMBINED OPTICAL INDUSTRIES LIMITED
发明人
JOHNSON JOHN
分类号
B29D11/00
主分类号
B29D11/00
代理机构
代理人
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地址
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