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发明名称
Träger für Dächer
摘要
申请公布号
CH539180(A)
申请公布日期
1973.07.15
申请号
CH19720003678
申请日期
1972.03.10
申请人
WELZ,HANS-JOACHIM
发明人
WELZ,HANS-JOACHIM
分类号
E04B5/10;E04B5/40;E04B7/02;E04B7/20;(IPC1-7):E04C3/07
主分类号
E04B5/10
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