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经营范围
发明名称
Pipe lining apparatus
摘要
申请公布号
US2897779(A)
申请公布日期
1959.08.04
申请号
US19580740471
申请日期
1958.06.06
申请人
PERKINS PIPE LININGS, INC.
发明人
PERKINS ALBERT G.
分类号
B28B19/00
主分类号
B28B19/00
代理机构
代理人
主权项
地址
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