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发明名称
FREMGANGSMAATE OG APPARAT FOR FJERNINSTALLASJON OG -VEDLIKEHOLD AV UNDERVANNS BROENNAPPARAT
摘要
申请公布号
NO801333(A)
申请公布日期
1980.11.10
申请号
NO19800001333
申请日期
1980.05.06
申请人
ARMCO INC.,
发明人
KIRKLAND, KERRY GREGG,
分类号
E21B33/047;(IPC1-7):E21B/
主分类号
E21B33/047
代理机构
代理人
主权项
地址
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