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发明名称
Adjustment indicating mechanism for cameras
摘要
申请公布号
US1918143(A)
申请公布日期
1933.07.11
申请号
US19290331912
申请日期
1929.01.11
申请人
FRANK F. FARKAS;E. N. FARKAS
发明人
SNYDER WARD H.
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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