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发明名称
Glass aperture plate
摘要
申请公布号
US3183521(A)
申请公布日期
1965.05.11
申请号
US19620174877
申请日期
1962.02.21
申请人
WALTER GOLDSTEIN
发明人
GOLDSTEIN WALTER
分类号
G03B23/12
主分类号
G03B23/12
代理机构
代理人
主权项
地址
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