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发明名称
Hot knife and method of use
摘要
申请公布号
US2057021(A)
申请公布日期
1936.10.13
申请号
US19340755598
申请日期
1934.12.01
申请人
UNITED STATES RUBBER COMPANY
发明人
GAMMETER JOHN R.
分类号
主分类号
代理机构
代理人
主权项
地址
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