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发明名称
Time indicator
摘要
申请公布号
US2396929(A)
申请公布日期
1946.03.19
申请号
US19430502961
申请日期
1943.09.18
申请人
THE REECE BUTTON HOLE MACHINE COMPANY
发明人
PUTNAM JOHN P.
分类号
G01C21/20
主分类号
G01C21/20
代理机构
代理人
主权项
地址
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