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发明名称
Method of making mineral plastic
摘要
申请公布号
US2517235(A)
申请公布日期
1950.08.01
申请号
US19470729403
申请日期
1947.02.18
申请人
LADD PIERCE HAROLD
发明人
PIERCE HAROLD LADD
分类号
C04B28/18
主分类号
C04B28/18
代理机构
代理人
主权项
地址
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