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经营范围
发明名称
HEAT PUMP TYPE ROAD SNOW MELTING APPARATUS
摘要
申请公布号
JPH04277203(A)
申请公布日期
1992.10.02
申请号
JP19910035838
申请日期
1991.03.01
申请人
HITACHI LTD;TOHOKU ELECTRIC POWER CO INC
发明人
MASUDA TAKASHI;OYAMA YUKIO;YOSHIDA YORIO;YAMADA TOSHIRO
分类号
E01C11/26;E01H5/10;F25B41/00
主分类号
E01C11/26
代理机构
代理人
主权项
地址
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