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发明名称
CLEANING METHOD FOR DRAIN HOSE FOR LEAKING OIL RECOVERY IN HYDRAULICALLY OPERATED ELEVATOR
摘要
申请公布号
JPH1045353(A)
申请公布日期
1998.02.17
申请号
JP19960203870
申请日期
1996.08.01
申请人
HITACHI BUILDING SYST CO LTD
发明人
NAKAZAWA HITOSHI;YOSHIKAWA HIROYUKI;SASAKI OSAMU
分类号
B08B9/027;B66B9/04
主分类号
B08B9/027
代理机构
代理人
主权项
地址
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