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发明名称
Operating mechanism for cameras
摘要
申请公布号
US1946687(A)
申请公布日期
1934.02.13
申请号
US19310572034
申请日期
1931.10.30
申请人
GRANT GARNET P
发明人
GRANT GARNET P.
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
主权项
地址
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