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经营范围
发明名称
BEARING PRE-LOAD VARIABLE DEVICE
摘要
申请公布号
JPH04266613(A)
申请公布日期
1992.09.22
申请号
JP19910026976
申请日期
1991.02.21
申请人
NEC CORP
发明人
SATO AKINORI
分类号
F16C25/06;H01L41/09
主分类号
F16C25/06
代理机构
代理人
主权项
地址
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