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发明名称
Apparatus for notching a disc
摘要
申请公布号
US3355975(A)
申请公布日期
1967.12.05
申请号
US19650437670
申请日期
1965.03.08
申请人
BASIC PRODUCTS, INC.
发明人
ANFUSO FRANK P.
分类号
B21D28/22
主分类号
B21D28/22
代理机构
代理人
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地址
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