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经营范围
发明名称
Vapor phase cracking
摘要
申请公布号
US2186585(A)
申请公布日期
1940.01.09
申请号
US19380216261
申请日期
1938.06.28
申请人
HANCOCK WILLIAM T
发明人
HANCOCK WILLIAM T.
分类号
C10G9/20
主分类号
C10G9/20
代理机构
代理人
主权项
地址
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