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发明名称
PREPARATION OF POLYFORMALDEHYDE
摘要
申请公布号
CA733485(A)
申请公布日期
1966.05.03
申请号
CAD733485
申请日期
申请人
HOUILLERES DU BASSIN DU NORD ET DU PAS-DE-CALAIS
发明人
HENRI SACK
分类号
主分类号
代理机构
代理人
主权项
地址
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