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经营范围
发明名称
Variable shutter mechanism
摘要
申请公布号
US3186003(A)
申请公布日期
1965.05.25
申请号
US19610156453
申请日期
1961.12.01
申请人
FLIGHT RESEARCH, INCORPORATED
发明人
JR. CHARLES A. GREGORY,;JR. JAMES C. MILLS,
分类号
G03B9/10
主分类号
G03B9/10
代理机构
代理人
主权项
地址
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