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发明名称
CYLINDRICAL WALL FOR HOLE COVERING WORK
摘要
申请公布号
JPH0366899(A)
申请公布日期
1991.03.22
申请号
JP19890201826
申请日期
1989.08.03
申请人
ISHIKAWAJIMA CONSTR MATERIALS CO LTD
发明人
HASHIMOTO HIROHIDE;OZEKI MUNETAKA
分类号
E21D11/04;E21D11/36
主分类号
E21D11/04
代理机构
代理人
主权项
地址
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