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经营范围
发明名称
METHOD OF PREVENTING FREEZING OF ROAD
摘要
申请公布号
JPS5677405(A)
申请公布日期
1981.06.25
申请号
JP19790154754
申请日期
1979.11.28
申请人
OSAKA TRANSFORMER CO LTD
发明人
NOZAWA MASAHIKO
分类号
E01D19/12;E01C11/26;E01D101/00;E01D101/40
主分类号
E01D19/12
代理机构
代理人
主权项
地址
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