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经营范围
发明名称
Begehbarer Dachbelag
摘要
申请公布号
DE683390(C)
申请公布日期
1939.11.06
申请号
DE1935S117235D
申请日期
1935.02.22
申请人
OTTO SEMLER
发明人
分类号
E04D7/00;E04D11/00;E04D13/16
主分类号
E04D7/00
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