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发明名称
INSTRUMENT FOR PREVENTING WATER CONDUIT FROM BREAKING AT FREEZING TIME
摘要
申请公布号
JPS5396256(A)
申请公布日期
1978.08.23
申请号
JP19770010430
申请日期
1977.02.01
申请人
TAGAMI MASAHIRO
发明人
TAGAMI MASAHIRO
分类号
E03B7/10;E03B7/12;F16K49/00;F16L55/00
主分类号
E03B7/10
代理机构
代理人
主权项
地址
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