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发明名称
DAIKOKEIKANSUISHINKOHO
摘要
申请公布号
JPS5170920(A)
申请公布日期
1976.06.19
申请号
JP19740145239
申请日期
1974.12.17
申请人
TSUZUKI JUNICHI
发明人
TSUZUKI JUNICHI
分类号
E21D9/06;F16L1/00
主分类号
E21D9/06
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代理人
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