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发明名称
Obturateur hydraulique pour four continu à atmosphère contrôlée
摘要
申请公布号
FR826817(A)
申请公布日期
1938.04.11
申请号
FRD826817
申请日期
1937.09.16
申请人
H. SCHAEFER & CIE
发明人
分类号
C21D1/74;F27B9/08;F27D9/00;F27D99/00
主分类号
C21D1/74
代理机构
代理人
主权项
地址
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