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发明名称
Means for maintaining moving bands in synchronism
摘要
申请公布号
US1836691(A)
申请公布日期
1931.12.15
申请号
US19290390102
申请日期
1929.09.03
申请人
EASTMAN KODAK COMPANY
发明人
TUTTLE FORDYCE
分类号
G03B31/04
主分类号
G03B31/04
代理机构
代理人
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