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发明名称
Artificial mass and process of making same
摘要
申请公布号
US1988353(A)
申请公布日期
1935.01.15
申请号
US19320648516
申请日期
1932.12.22
申请人
BECK, KOLLER & COMPANY, INC.
发明人
HONEL HERBERT
分类号
C08G8/28
主分类号
C08G8/28
代理机构
代理人
主权项
地址
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