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发明名称
Method of lining pipes
摘要
申请公布号
US2066592(A)
申请公布日期
1937.01.05
申请号
US19350046333
申请日期
1935.10.23
申请人
WADSWORTH LEWIS L
发明人
WADSWORTH LEWIS L.
分类号
B28B1/34;B28B19/00;C04B41/50;F16L58/06
主分类号
B28B1/34
代理机构
代理人
主权项
地址
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