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发明名称
Transfer mechanism
摘要
申请公布号
US1974394(A)
申请公布日期
1934.09.18
申请号
US19310517695
申请日期
1931.02.24
申请人
HARTFORD-EMPIRE COMPANY
发明人
SMITH ALGY J.
分类号
C03B9/447
主分类号
C03B9/447
代理机构
代理人
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