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发明名称
Valve coupling
摘要
申请公布号
US2459477(A)
申请公布日期
1949.01.18
申请号
US19460645567
申请日期
1946.02.05
申请人
SCHUYVER JOHN VAN
发明人
SCHUYVER JOHN VAN
分类号
F16L37/248;F16L37/42
主分类号
F16L37/248
代理机构
代理人
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地址
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