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发明名称
Zinc sulphide and process of making the same
摘要
申请公布号
US2006259(A)
申请公布日期
1935.06.25
申请号
US19330688413
申请日期
1933.09.06
申请人
AMERICAN ZINC, LEAD & SMELTING COMPANY
发明人
CALBECK JOHN HENRY
分类号
C01G9/08
主分类号
C01G9/08
代理机构
代理人
主权项
地址
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