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发明名称
LIFTER FOR DRAINING WATER OF STEEL PIPE
摘要
申请公布号
JPH05245510(A)
申请公布日期
1993.09.24
申请号
JP19910318125
申请日期
1991.12.02
申请人
NKK CORP
发明人
SHIBUTA TSUTOMU;KUROSAWA TOSHIYUKI
分类号
B21B23/00;(IPC1-7):B21B23/00
主分类号
B21B23/00
代理机构
代理人
主权项
地址
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