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发明名称
Insulation pad and construction
摘要
申请公布号
US2028253(A)
申请公布日期
1936.01.21
申请号
US19300481830
申请日期
1930.09.15
申请人
THE WOOD CONVERSION COMPANY
发明人
SPAFFORD ALLEN L.
分类号
E04B1/76
主分类号
E04B1/76
代理机构
代理人
主权项
地址
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IMPROVED PREPARATION OF IMIDAZOLE DERIVATIVE
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