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发明名称
Building board
摘要
申请公布号
US2634207(A)
申请公布日期
1953.04.07
申请号
US19470795128
申请日期
1947.12.31
申请人
GREAT LAKES CARBON CORPORATION
发明人
MISCALL JACK;RAHR CHESTER E.
分类号
C04B14/18;C04B30/02;D21H17/68
主分类号
C04B14/18
代理机构
代理人
主权项
地址
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