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经营范围
发明名称
Improvements in or relating to thrust bearings for rotary valves
摘要
申请公布号
GB560086(A)
申请公布日期
1944.03.20
申请号
GB19420008774
申请日期
1942.06.26
申请人
FRANK METCALF ASPIN
发明人
分类号
F16C21/00
主分类号
F16C21/00
代理机构
代理人
主权项
地址
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METHOD AND APPARATUS FOR PERFORMING BINARY EQUELIZATION IN VOLCEBAND PHASE-MODULATION MODEMS
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