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发明名称
METHOD OF FREEZING AROUND SHIELDING MACHINE AT SHIELDING WORK
摘要
申请公布号
JPS5434523(A)
申请公布日期
1979.03.14
申请号
JP19770100551
申请日期
1977.08.24
申请人
SEIKEN CO
发明人
TOBE NOBU;KATOU TETSUJI
分类号
E02D19/14;E21D9/06;E21D11/00
主分类号
E02D19/14
代理机构
代理人
主权项
地址
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