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发明名称
摘要
申请公布号
DE3016659(C2)
申请公布日期
1990.04.19
申请号
DE19803016659
申请日期
1980.04.30
申请人
BRAAS & CO GMBH, 6370 OBERURSEL, DE
发明人
SEYFARTH, GUENTER, ING.(GRAD.), 6050 OFFENBACH, DE
分类号
E04D1/34;E04D12/00
主分类号
E04D1/34
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代理人
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