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发明名称
Constant force pipe hangers
摘要
申请公布号
GB911441(A)
申请公布日期
1962.11.28
申请号
GB19590020369
申请日期
1959.06.15
申请人
GRINNELL CORPORATION
发明人
分类号
F16L3/217
主分类号
F16L3/217
代理机构
代理人
主权项
地址
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