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发明名称
Expansion joint
摘要
申请公布号
US2404447(A)
申请公布日期
1946.07.23
申请号
US19430483456
申请日期
1943.04.17
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
MARANCIK JOSEPH V.;MACCLYMONT DAVID B.
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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