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发明名称
Return bend plug deflector
摘要
申请公布号
US1946945(A)
申请公布日期
1934.02.13
申请号
US19300479409
申请日期
1930.09.02
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
MEKLER LEV A.
分类号
F16L43/00
主分类号
F16L43/00
代理机构
代理人
主权项
地址
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