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发明名称
Method of making clay aggregate from raw clay
摘要
申请公布号
US3313869(A)
申请公布日期
1967.04.11
申请号
US19630300594
申请日期
1963.08.07
申请人
COHEN AARON J
发明人
COHEN AARON J.
分类号
C04B33/32;F27B1/00
主分类号
C04B33/32
代理机构
代理人
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地址
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