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发明名称
METHOD OF BURYING CYLINDRICAL PROTECTING TUBE OF HYDRAULIC ELEVATOR CAGE
摘要
申请公布号
JPS5355852(A)
申请公布日期
1978.05.20
申请号
JP19760130517
申请日期
1976.11.01
申请人
HITACHI LTD
发明人
OKABE HIDEJI
分类号
E02D13/04;B66B9/04
主分类号
E02D13/04
代理机构
代理人
主权项
地址
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