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发明名称
LEAK-PREVENTIVE DEVICE OF SHIELD TAIL SECTION
摘要
申请公布号
JPH02200998(A)
申请公布日期
1990.08.09
申请号
JP19890016434
申请日期
1989.01.27
申请人
TAISEI CORP
发明人
KANEKO MICHIKAZU;NAITO MASAMITSU
分类号
E21D11/00
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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