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经营范围
发明名称
HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINES
摘要
申请公布号
US5056312(A)
申请公布日期
1991.10.15
申请号
US19890449845
申请日期
1989.11.22
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人
HIRATA, TOICHI;SUGIYAMA, GENROKU;KAJITA, YUSUKE;AOYAGI, YUKIO;YASUDI, TOMOHIKO;YASUDA, GEN;WATANABE, HIROSHI;IZUMI, EIKI;TANAKA, YASUO;ONOUE, HIROSHI;NAKAMURA, SHIGETAKA
分类号
E02F9/22;F15B11/16;F15B21/08
主分类号
E02F9/22
代理机构
代理人
主权项
地址
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