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经营范围
发明名称
Coupling
摘要
申请公布号
US2183895(A)
申请公布日期
1939.12.19
申请号
US19370173718
申请日期
1937.11.09
申请人
E. H. HARRISON
发明人
REED TIFFIN W.
分类号
F16L37/20
主分类号
F16L37/20
代理机构
代理人
主权项
地址
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