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发明名称
Improvements in and relating to the use of zinc sulphide as an opacifier for enamels, glasses or the like
摘要
申请公布号
GB455980(A)
申请公布日期
1936.11.02
申请号
GB19350012951
申请日期
1935.05.01
申请人
RAYMOND WILLIAM HANNAGEN
发明人
分类号
B24B41/06;C03C4/02;C03C8/14;C03C14/00
主分类号
B24B41/06
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