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发明名称
Temple roll
摘要
申请公布号
US2123726(A)
申请公布日期
1938.07.12
申请号
US19370168612
申请日期
1937.10.12
申请人
DRAPER CORPORATION
发明人
HENDERSON THOMAS
分类号
D03J1/22
主分类号
D03J1/22
代理机构
代理人
主权项
地址
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