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发明名称
AUS VORGEFERTIGTEN BETONBAUELEMENTEN HERGESTELLTER HYDRANTENSCHUTZ.
摘要
申请公布号
DE1875991(U)
申请公布日期
1963.07.18
申请号
DE196300L4581U
申请日期
1963.05.16
申请人
KARL LAY
发明人
KARL LAY
分类号
主分类号
代理机构
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