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经营范围
发明名称
Procédé d'extraction du phosphore
摘要
申请公布号
FR1136463(A)
申请公布日期
1957.05.23
申请号
FRD1136463
申请日期
1955.10.04
申请人
发明人
BURGESS LOUIS
分类号
C01B25/02
主分类号
C01B25/02
代理机构
代理人
主权项
地址
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