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经营范围
发明名称
Field mold for coating pipe
摘要
申请公布号
US2554453(A)
申请公布日期
1951.05.22
申请号
US19490089925
申请日期
1949.04.27
申请人
CALIFORNIA RESEARCH CORPORATION
发明人
BRYAN LLOYD
分类号
B28B19/00;B29C33/00;B29C33/20;B29D23/00
主分类号
B28B19/00
代理机构
代理人
主权项
地址
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