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发明名称
OPERATION OIL SMELL REMOVING METHOD OF HYDRAULIC ELEVATOR
摘要
申请公布号
JPH03124681(A)
申请公布日期
1991.05.28
申请号
JP19890263031
申请日期
1989.10.11
申请人
HITACHI ELEVATOR ENG & SERVICE CO LTD
发明人
NAGANUMA KIYOSHI;SAHODA NORIYUKI;ASAKA MASAYA
分类号
B66B9/04;B66B7/00
主分类号
B66B9/04
代理机构
代理人
主权项
地址
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