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发明名称
Record sensing means
摘要
申请公布号
US2938666(A)
申请公布日期
1960.05.31
申请号
US19550539103
申请日期
1955.10.07
申请人
SPERRY RAND CORPORATION
发明人
RAND PHILIP S.
分类号
主分类号
代理机构
代理人
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地址
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