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发明名称
SOUND-ABSORBING FENCE
摘要
申请公布号
US3630310(A)
申请公布日期
1971.12.28
申请号
USD3630310
申请日期
1970.10.06
申请人
U.F. CHEMICAL CORP.
发明人
KURT FEDERER
分类号
E01F8/00;(IPC1-7):E01F7/00;E04B1/74
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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