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发明名称
Pipe coil
摘要
申请公布号
US1994649(A)
申请公布日期
1935.03.19
申请号
US19320648057
申请日期
1932.12.20
申请人
M. W. KELLOGG CO.
发明人
HOPKINS ROBERT K.
分类号
B01J19/02
主分类号
B01J19/02
代理机构
代理人
主权项
地址
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