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经营范围
发明名称
PHOSPHORUS PRODUCTION
摘要
申请公布号
US3481706(A)
申请公布日期
1969.12.02
申请号
USD3481706
申请日期
1967.12.28
申请人
W.R. GRACE & CO.
发明人
PRESTON L. VELTMAN;PETER G. IMPERIALE
分类号
C01B25/02;(IPC1-7):C01B25/02
主分类号
C01B25/02
代理机构
代理人
主权项
地址
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