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经营范围
发明名称
Firstentluefter
摘要
申请公布号
DE1295788(B)
申请公布日期
1969.05.22
申请号
DE1965E028712
申请日期
1965.02.18
申请人
ETERNIT AG
发明人
分类号
E04D13/17;F24F7/02
主分类号
E04D13/17
代理机构
代理人
主权项
地址
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