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发明名称
METHOD OF FREEZING LIQUID IN PIPE
摘要
申请公布号
JPS57195990(A)
申请公布日期
1982.12.01
申请号
JP19810080024
申请日期
1981.05.28
申请人
NIPPON KOKAN KK
发明人
NAKASHIMA TAKASHI
分类号
E03B7/00;F16L55/10
主分类号
E03B7/00
代理机构
代理人
主权项
地址
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