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发明名称
Moving picture film reel
摘要
申请公布号
US2032336(A)
申请公布日期
1936.02.25
申请号
US19340724176
申请日期
1934.05.05
申请人
CASTEEL RESEARCH LABORATORIES, INC.
发明人
STRAUSS THEODORE O.
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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