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发明名称
FREEZE PREVENTER
摘要
申请公布号
JPH02256725(A)
申请公布日期
1990.10.17
申请号
JP19890079038
申请日期
1989.03.30
申请人
MATSUSHIMA KOGYO CO LTD
发明人
OGAWA KAZUMI
分类号
E03B7/10;F16K17/38;F16K31/70
主分类号
E03B7/10
代理机构
代理人
主权项
地址
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