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发明名称
Timing mechanism
摘要
申请公布号
US2338221(A)
申请公布日期
1944.01.04
申请号
US19400330329
申请日期
1940.04.18
申请人
CELANESE CORPORATION OF AMERICA
发明人
WILLENS ROBERT ALFRED ARCHIBALD
分类号
B65H54/74
主分类号
B65H54/74
代理机构
代理人
主权项
地址
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