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发明名称
Coated particles of calcium carbonate and method of making same
摘要
申请公布号
US2687394(A)
申请公布日期
1954.08.24
申请号
US19490111571
申请日期
1949.08.20
申请人
DIAMOND ALKALI COMPANY
发明人
SOMERMEYER HARRY J.
分类号
C08J3/215
主分类号
C08J3/215
代理机构
代理人
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地址
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