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发明名称
Anticorrosive
摘要
申请公布号
US2285752(A)
申请公布日期
1942.06.09
申请号
US19400366148
申请日期
1940.11.18
申请人
SHELL DEVELOPMENT COMPANY
发明人
ESS PAUL R. VAN
分类号
主分类号
代理机构
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