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发明名称
Machine for treating pipe and pipe lines
摘要
申请公布号
US2041337(A)
申请公布日期
1936.05.19
申请号
US19300460080
申请日期
1930.06.09
申请人
HARRISON HORACE L
发明人
HARRISON HORACE L.
分类号
B65H81/08
主分类号
B65H81/08
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代理人
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