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经营范围
发明名称
Hose coupling
摘要
申请公布号
US1977917(A)
申请公布日期
1934.10.23
申请号
US19320610073
申请日期
1932.05.09
申请人
NORGREN CARL A
发明人
NORGREN CARL A.
分类号
F16L33/213
主分类号
F16L33/213
代理机构
代理人
主权项
地址
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