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经营范围
发明名称
Pipe coating apparatus
摘要
申请公布号
US2095888(A)
申请公布日期
1937.10.12
申请号
US19340754792
申请日期
1934.11.26
申请人
PERKINS ALBERT G
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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