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发明名称
Expansion joint
摘要
申请公布号
US1826666(A)
申请公布日期
1931.10.06
申请号
US19300470607
申请日期
1930.07.25
申请人
E. B. BADGER & SONS COMPANY
发明人
LAWRENCE ALMON R.
分类号
F16L51/02
主分类号
F16L51/02
代理机构
代理人
主权项
地址
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