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发明名称
Improvements in spring counterbalanced swing-joint-supported conduit
摘要
申请公布号
GB746329(A)
申请公布日期
1956.03.14
申请号
GB19540011356
申请日期
1954.04.20
申请人
WHEATON BRASS WORKS
发明人
分类号
F16L27/08
主分类号
F16L27/08
代理机构
代理人
主权项
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