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发明名称
CORROSION PREVENTING METHOD FOR PIPINGS
摘要
申请公布号
JPS55163387(A)
申请公布日期
1980.12.19
申请号
JP19790070131
申请日期
1979.06.06
申请人
HITACHI LTD
发明人
HASEGAWA TOORU
分类号
F16L58/00
主分类号
F16L58/00
代理机构
代理人
主权项
地址
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