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发明名称
Method of exfoliating vermiculite and similar minerals
摘要
申请公布号
US2187538(A)
申请公布日期
1940.01.16
申请号
US19380224321
申请日期
1938.08.11
申请人
AMALGAMATED MINERALS CORPORATION
发明人
BUTLER CLARENCE H.
分类号
C04B20/06
主分类号
C04B20/06
代理机构
代理人
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地址
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