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经营范围
发明名称
DEVICE FOR PREVENTING FREEZING
摘要
申请公布号
JPS5463541(A)
申请公布日期
1979.05.22
申请号
JP19770130165
申请日期
1977.10.28
申请人
YANAGISAWA SEISAKUSHO KK
发明人
OOYA TAKASHI
分类号
E03B7/10;E03B7/12
主分类号
E03B7/10
代理机构
代理人
主权项
地址
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