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经营范围
发明名称
EPOXY RESIN HARDENERS DERIVED FROM AQUEOUS ALKALI-EXTRACTED BARK PHENOLIC ACIDS
摘要
申请公布号
US3472797(A)
申请公布日期
1969.10.14
申请号
USD3472797
申请日期
1968.01.30
申请人
WEYERHAEUSER CO.
发明人
GEORGE G. ALLAN
分类号
C08L63/00;(IPC1-7):C08G30/10
主分类号
C08L63/00
代理机构
代理人
主权项
地址
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