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发明名称
Verfahren zum beiderseitigen UEberziehen von Asbestschieferplatten
摘要
申请公布号
DE679968(C)
申请公布日期
1939.08.17
申请号
DE1935SC08681D
申请日期
1935.12.11
申请人
GERTRUDE SCHLESS GEB. WINKLER
发明人
分类号
C04B41/50;C04B41/65
主分类号
C04B41/50
代理机构
代理人
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