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发明名称
Method and apparatus for making ceramic shapes
摘要
申请公布号
US1944989(A)
申请公布日期
1934.01.30
申请号
US19310556217
申请日期
1931.08.10
申请人
THE KOPPERS COMPANY OF DELAWARE
发明人
LUX ELISABETH
分类号
B28B1/08
主分类号
B28B1/08
代理机构
代理人
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地址
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