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发明名称
Intermittent movement
摘要
申请公布号
US2080443(A)
申请公布日期
1937.05.18
申请号
US19350004573
申请日期
1935.02.01
申请人
SPERBERG EDWARD H
发明人
SPERBERG EDWARD H.
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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