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发明名称
INSULATED UNDERGROUND CONDUIT
摘要
申请公布号
US3484509(A)
申请公布日期
1969.12.16
申请号
USD3484509
申请日期
1967.03.16
申请人
RENSULATE CORP.
发明人
JAMES P. KELLER
分类号
F16L59/15;(IPC1-7):B29D31/00
主分类号
F16L59/15
代理机构
代理人
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地址
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