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发明名称
Dachabdeckung
摘要
申请公布号
DE1904484(A1)
申请公布日期
1970.10.01
申请号
DE19691904484
申请日期
1969.01.30
申请人
HELFRECHT,MANFRED
发明人
HELFRECHT,MANFRED
分类号
E04B7/22
主分类号
E04B7/22
代理机构
代理人
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地址
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