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发明名称
Process for drawing a glass band from the surface of the molten glass metal
摘要
申请公布号
US1892459(A)
申请公布日期
1932.12.27
申请号
US19310573491
申请日期
1931.11.06
申请人
BERNHARD ENGELS
发明人
ENGELS BERNHARD
分类号
C03B15/04
主分类号
C03B15/04
代理机构
代理人
主权项
地址
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