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发明名称
Knife blade holder ejector mechanism
摘要
申请公布号
US2929091(A)
申请公布日期
1960.03.22
申请号
US19580753009
申请日期
1958.08.04
申请人
J. M. LEHMANN COMPANY, INC.
发明人
FREYTAG DONALD R.
分类号
B02C4/40
主分类号
B02C4/40
代理机构
代理人
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地址
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