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发明名称
Combined variable resistance device and mechanism for driving same
摘要
申请公布号
US3114126(A)
申请公布日期
1963.12.10
申请号
US19620184026
申请日期
1962.04.02
申请人
BECKMAN INSTRUMENTS, INC.
发明人
MCCIAY MARVIN
分类号
H01C10/24
主分类号
H01C10/24
代理机构
代理人
主权项
地址
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