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发明名称
METHOD OF PREVENTING GROUND FROM FREEZING AND EXPANDING
摘要
申请公布号
JPS5373817(A)
申请公布日期
1978.06.30
申请号
JP19760148781
申请日期
1976.12.13
申请人
SEIKEN CO
发明人
TAKASHI TSUTOMU
分类号
E02D19/14;C09K17/32;E02D31/14
主分类号
E02D19/14
代理机构
代理人
主权项
地址
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