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发明名称
Universal connection between headwall and drainpipe
摘要
申请公布号
US1832333(A)
申请公布日期
1931.11.17
申请号
US19300474953
申请日期
1930.08.13
申请人
SULLIVAN MICHAEL L
发明人
SULLIVAN MICHAEL L.
分类号
E01F5/00
主分类号
E01F5/00
代理机构
代理人
主权项
地址
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