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经营范围
发明名称
BEARING DEVICE WITHOUT LUBRICATION
摘要
申请公布号
JPS5263539(A)
申请公布日期
1977.05.26
申请号
JP19750138063
申请日期
1975.11.19
申请人
HITACHI LTD
发明人
SUGIYAMA TADAO
分类号
F16C33/10;F16C17/02;F16C33/00
主分类号
F16C33/10
代理机构
代理人
主权项
地址
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