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发明名称
Procédé d'exécution de revêtements pour escaliers mécaniques
摘要
申请公布号
FR1080235(A)
申请公布日期
1954.12.07
申请号
FRD1080235
申请日期
1953.06.30
申请人
FRIEDRICH KEHRHAHN
发明人
分类号
B66B23/02
主分类号
B66B23/02
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