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经营范围
发明名称
GRAVITY BALANCING DEVICE
摘要
申请公布号
JPH0310786(A)
申请公布日期
1991.01.18
申请号
JP19890145354
申请日期
1989.06.09
申请人
HITACHI LTD
发明人
OGISO TOSHIO;TAJIMA FUJIO;HISATOMI RYOICHI
分类号
B25J9/06;B25J19/00;B28D1/14
主分类号
B25J9/06
代理机构
代理人
主权项
地址
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