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发明名称
BURYING ACCURACY MEASURING SYSTEM FOR CYLINDER PROTECTING TUBE OF HYDRAULIC ELEVATOR
摘要
申请公布号
JPS53145667(A)
申请公布日期
1978.12.19
申请号
JP19770059819
申请日期
1977.05.25
申请人
HITACHI LTD
发明人
OKABE HIDEJI
分类号
G01C9/00;B66B9/04
主分类号
G01C9/00
代理机构
代理人
主权项
地址
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