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发明名称
Improvements relating to the purification of metaphosphates
摘要
申请公布号
GB469704(A)
申请公布日期
1937.07.30
申请号
GB19360025197
申请日期
1936.09.16
申请人
RUMFORD CHEMICAL WORKS
发明人
分类号
C01B25/445
主分类号
C01B25/445
代理机构
代理人
主权项
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