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发明名称
DACHKONSTRUKTION ALS BUEHNENUEBERDACHUNG ODER PROJEKTIONSWAND
摘要
申请公布号
DD134458(B1)
申请公布日期
1981.04.29
申请号
DD19770199152
申请日期
1977.05.26
申请人
发明人
分类号
E04B7/16;E04H3/22
主分类号
E04B7/16
代理机构
代理人
主权项
地址
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