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发明名称
Composite pipe and like structure
摘要
申请公布号
US2031057(A)
申请公布日期
1936.02.18
申请号
US19340759125
申请日期
1934.12.24
申请人
MITCHELL ROBERT W
发明人
MITCHELL ROBERT W.
分类号
E03F3/04
主分类号
E03F3/04
代理机构
代理人
主权项
地址
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