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经营范围
发明名称
Gas absorbing system
摘要
申请公布号
US2260936(A)
申请公布日期
1941.10.28
申请号
US19370152131
申请日期
1937.07.06
申请人
BLAIR EVERSON ROY
发明人
EVERSON ROY BLAIR
分类号
C02F1/76
主分类号
C02F1/76
代理机构
代理人
主权项
地址
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