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经营范围
发明名称
Gasanker
摘要
申请公布号
AT256748(B)
申请公布日期
1967.09.11
申请号
AT19650008063
申请日期
1965.09.02
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
分类号
E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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