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发明名称
Flexible conduit
摘要
申请公布号
US2136770(A)
申请公布日期
1938.11.15
申请号
US19360066757
申请日期
1936.03.02
申请人
EMIL WITZENMANN
发明人
WITZENMANN EMIL
分类号
F16L11/18
主分类号
F16L11/18
代理机构
代理人
主权项
地址
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