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发明名称
LACZNIK ELEMENTOW BELKOWYCH W BUDOWLANYCH KONSTRUKCJACH STALOWYCH
摘要
申请公布号
PL95679(B1)
申请公布日期
1977.11.30
申请号
PL19750177513
申请日期
1975.01.23
申请人
发明人
分类号
(IPC1-7):E04B1/40
主分类号
(IPC1-7):E04B1/40
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代理人
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地址
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