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摘要
申请公布号
JPH0372800(B2)
申请公布日期
1991.11.19
申请号
JP19870234178
申请日期
1987.09.18
申请人
FUJIMORI KOGYO CO
发明人
SHIRAI SAKAE;YAMAZAKI TORAO
分类号
E21D11/38;H05B41/24
主分类号
E21D11/38
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